647 FNUS55 KCYS 171308 FWFCYS Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska National Weather Service CHEYENNE WY 708 AM MDT Fri May 17 2024 .DISCUSSION... Elevated to near-critical fire weather conditions will be possible today as minimum RHs fall into the middle teens and wind gusts increase to 30+ MPH across a large part of the area. Otherwise, no major fire weather concerns. NEZ434-172215- Pine Ridge/Nebraska National Forest- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms after 1500. Some thunderstorms may produce gusty winds after 1500. Max temperature.....82-87. 24 hr trend......7 degrees warmer. Min humidity........13-19 percent. 24 hr trend......8 percent drier. 20-foot winds.......West 10 to 15 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon. LAL.................1 until 1500, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing height.......3600-5600 ft AGL increasing to 12100-14100 ft AGL in the afternoon. Smoke dispersal.....Fair (50800 knot-ft) increasing to excellent (227600 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Slight chance of showers and thunderstorms until 2100. Some thunderstorms may produce gusty winds until 2100. Min temperature.....41-46. 24 hr trend......8 degrees cooler. Max humidity........69-75 percent. 24 hr trend......11 percent wetter. Humidity recovery...Good. 20-foot winds.......West around 15 mph and gusty. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing height.......6500-8500 ft AGL decreasing to 200-2200 ft AGL after midnight. Smoke dispersal.....Very good (122300 knot-ft) decreasing to poor (24800 knot-ft) after midnight. Haines Index........4 or low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....70-75. 24 hr trend......12 degrees cooler. Min humidity........17-23 percent. 24 hr trend......4 percent wetter. 20-foot winds.......West around 10 mph. Gusts up to 25 mph in the morning. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing height.......2500-4500 ft AGL increasing to 5200-7200 ft AGL in the afternoon. Smoke dispersal.....Good (64800-67000 knot-ft). Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. South winds around 15 mph. .MONDAY...Cooler. Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 60s. Northwest winds around 10 mph. .TUESDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. Northwest winds around 10 mph. .WEDNESDAY...Warmer. Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 60s. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs around 70. $$ NEZ435-172215- Box Butte/South Sioux/Niobrara River- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms after 1500. Some thunderstorms may produce gusty winds after 1500. Max temperature.....83-88. 24 hr trend......9 degrees warmer. Min humidity........11-17 percent. 24 hr trend......7 percent drier. 20-foot winds.......West around 15 mph with higher gusts. LAL.................1 until 1500, then 3. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing height.......3700-5700 ft AGL increasing to 11900-13900 ft AGL in the afternoon. Smoke dispersal.....Good (61800 knot-ft) increasing to excellent (253600 knot-ft) in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Slight chance of showers and thunderstorms until 2100. Some thunderstorms may produce gusty winds until 2100. Min temperature.....42-47. 24 hr trend......5 degrees cooler. Max humidity........66-72 percent. 24 hr trend......5 percent wetter. Humidity recovery...Fair. 20-foot winds.......West around 15 mph and gusty. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph shifting to the northwest after midnight. Mixing height.......6300-8300 ft AGL decreasing to 500-2500 ft AGL after midnight. Smoke dispersal.....Very good (148100 knot-ft) decreasing to poor (36000 knot-ft) after midnight. Haines Index........4 or low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....71-76. 24 hr trend......12 degrees cooler. Min humidity........15-21 percent. 24 hr trend......2 percent wetter. 20-foot winds.......West around 10 mph with higher gusts. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 20 mph becoming west around 10 mph in the afternoon. Mixing height.......2300-4300 ft AGL increasing to 5300-7300 ft AGL in the afternoon. Smoke dispersal.....Fair to good (57900-62500 knot-ft). Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the lower 50s. Highs around 80. South winds around 10 mph. .MONDAY...Cooler. Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the mid 60s. North winds around 10 mph. .TUESDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. Northwest winds around 10 mph. .WEDNESDAY...Warmer. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs around 70. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 70s. $$ NEZ436-172215- Lower North Platte River Basin/Scottsbluff National Monument- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms after 1500. Some thunderstorms may produce gusty winds after 1500. Max temperature.....85-90. 24 hr trend......10 degrees warmer. Min humidity........9-15 percent. 24 hr trend......7 percent drier. 20-foot winds.......West around 15 mph with higher gusts. LAL.................1 until 1500, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing height.......4300-6300 ft AGL increasing to 12500-14500 ft AGL in the afternoon. Smoke dispersal.....Good (77000 knot-ft) increasing to excellent (308800 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms until 2100. Some thunderstorms may produce gusty winds until 2100. Min temperature.....44-49. 24 hr trend......3 degrees cooler. Max humidity........65-71 percent. 24 hr trend......Unchanged. Humidity recovery...Fair. 20-foot winds.......West 10 to 15 mph and gusty. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 20 mph. Mixing height.......6500-8500 ft AGL decreasing to 500-2500 ft AGL after midnight. Smoke dispersal.....Very good (138000 knot-ft) decreasing to poor (19900 knot-ft) after midnight. Haines Index........5 or moderate potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....73-78. 24 hr trend......13 degrees cooler. Min humidity........16-22 percent. 24 hr trend......9 percent wetter. 20-foot winds.......Northwest around 10 mph shifting to the southwest in the afternoon. Gusts up to 20 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 20 mph becoming west around 10 mph in the afternoon. Mixing height.......2300-4300 ft AGL increasing to 5200-7200 ft AGL in the afternoon. Smoke dispersal.....Fair to good (51500-62900 knot-ft). Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 80s. South winds around 10 mph. .MONDAY...Cooler. Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the upper 60s. North winds around 10 mph. .TUESDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. North winds around 10 mph. .WEDNESDAY...Warmer. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the lower 70s. .THURSDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 70s. $$ NEZ437-172215- Lodgepole Creek/Southern Nebraska Panhandle- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1500. Some thunderstorms may produce gusty winds after 1500. Max temperature.....83-88. 24 hr trend......10 degrees warmer. Min humidity........10-16 percent. 24 hr trend......6 percent drier. 20-foot winds.......West around 15 mph with higher gusts. LAL.................1 until 1500, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing height.......5000-7000 ft AGL increasing to 12900-14900 ft AGL in the afternoon. Smoke dispersal.....Very good (113100 knot-ft) increasing to excellent (270900 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms until 2100. Some thunderstorms may produce gusty winds until 2100. Min temperature.....44-49. 24 hr trend......3 degrees cooler. Max humidity........65-71 percent. 24 hr trend......7 percent wetter. Humidity recovery...Fair. 20-foot winds.......West 10 to 15 mph and gusty. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing height.......6600-8600 ft AGL decreasing to 900-2900 ft AGL after midnight. Smoke dispersal.....Very good (142600 knot-ft) decreasing to poor (23600 knot-ft) after midnight. Haines Index........5 or moderate potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Max temperature.....72-77. 24 hr trend......11 degrees cooler. Min humidity........17-23 percent. 24 hr trend......8 percent wetter. 20-foot winds.......North around 15 mph shifting to the southeast in the afternoon. Gusts up to 25 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....North around 20 mph becoming southwest around 10 mph in the afternoon. Mixing height.......1700-3700 ft AGL increasing to 4700-6700 ft AGL in the afternoon. Smoke dispersal.....Fair (45300-56600 knot-ft). Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 40s. Highs around 80. South winds around 10 mph. .MONDAY...Cooler. Partly cloudy with chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. North winds around 10 mph. .TUESDAY...Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. North winds around 10 mph. .WEDNESDAY...Warmer. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs around 70. .THURSDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 70s. $$ WYZ417-172215- Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....80-85. 24 hr trend......8 degrees warmer. Min humidity........17 percent. 24 hr trend......6 percent drier. 20-foot winds.......West around 10 mph with higher gusts increasing to around 20 mph with gusts to around 45 mph in the afternoon. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing height.......3400-5400 ft AGL increasing to 12100-14100 ft AGL in the afternoon. Smoke dispersal.....Fair (53800 knot-ft) increasing to excellent (324500 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Min temperature.....39-44. 24 hr trend......10 degrees cooler. Max humidity........63-69 percent. 24 hr trend......2 percent wetter. Humidity recovery...Fair. 20-foot winds.......Northwest 15 to 20 mph. Gusts up to 45 mph decreasing to 35 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 30 mph. Mixing height.......6500-8500 ft AGL decreasing to 800-2800 ft AGL after midnight. Smoke dispersal.....Excellent (173700 knot-ft) decreasing to fair (55100 knot-ft) after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Sunny. Max temperature.....71-76. 24 hr trend......9 degrees cooler. Min humidity........11-17 percent. 24 hr trend......3 percent drier. 20-foot winds.......West around 10 mph. Gusts up to 15 mph increasing to 25 mph in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing height.......3300-5300 ft AGL increasing to 7200-9200 ft AGL in the afternoon. Smoke dispersal.....Good (66000-99900 knot-ft). Haines Index........3 or very low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 70s. Southwest winds around 10 mph. .MONDAY...Cooler. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. Northwest winds around 10 mph. .TUESDAY...Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows around 40. Highs in the upper 50s. Northwest winds around 10 mph. .WEDNESDAY...Warmer. Partly cloudy with slight chance of showers. Lows in the upper 30s. Highs in the upper 60s. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 60s. $$ WYZ418-172215- Middle North Platte River Basin/Niobrara and Converse High Plains- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....78-84. 24 hr trend......9 degrees warmer. Min humidity........11-17 percent. 24 hr trend......7 percent drier. 20-foot winds.......West 15 to 20 mph. Gusts up to 30 mph increasing to 45 mph in the afternoon. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph increasing to around 30 mph in the afternoon. Mixing height.......4000-6000 ft AGL increasing to 12100-14100 ft AGL in the afternoon. Smoke dispersal.....Good (83900 knot-ft) increasing to excellent (341100 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy. Min temperature.....38-43. 24 hr trend......8 degrees cooler. Max humidity........66-72 percent. 24 hr trend......4 percent wetter. Humidity recovery...Fair. 20-foot winds.......Northwest 15 to 20 mph. Gusts up to 45 mph decreasing to 30 mph after midnight. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....West around 35 mph becoming northwest around 25 mph after midnight. Mixing height.......6700-8700 ft AGL decreasing to 700-2700 ft AGL after midnight. Smoke dispersal.....Excellent (198700 knot-ft) decreasing to fair (45200 knot-ft) after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....71-76. 24 hr trend......10 degrees cooler. Min humidity........11-17 percent. 24 hr trend......1 percent drier. 20-foot winds.......West 10 to 15 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing height.......2800-4800 ft AGL increasing to 7600-9600 ft AGL in the afternoon. Smoke dispersal.....Fair (43600 knot-ft) increasing to very good (128600 knot-ft) in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. Southwest winds around 10 mph. .MONDAY...Cooler. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the mid 50s. North winds around 10 mph. .TUESDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the upper 30s. Highs in the mid 50s. Northwest winds around 10 mph. .WEDNESDAY...Warmer. Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 30s. Highs in the upper 60s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the upper 60s. $$ WYZ419-172215- North Laramie Range and Adjacent High Plains- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....68-78. 24 hr trend......2 degrees warmer. Min humidity........14-20 percent. 24 hr trend......6 percent drier. 20-foot winds.......Breezy. West 20 to 25 mph with gusts to around 45 mph. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 30 to 35 mph. Mixing height.......3900-5900 ft AGL increasing to 10700-12700 ft AGL in the afternoon. Smoke dispersal.....Very good (117400 knot-ft) increasing to excellent (352300 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy. Min temperature.....33-39. 24 hr trend......12 degrees cooler. Max humidity........67-73 percent. 24 hr trend......20 percent wetter. Humidity recovery...Good. 20-foot winds.......West 15 to 20 mph. Gusts up to 45 mph decreasing to 30 mph after midnight. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....West around 40 mph becoming northwest around 25 mph after midnight. Mixing height.......7600-9600 ft AGL decreasing to 1500-3500 ft AGL after midnight. Smoke dispersal.....Excellent (281900 knot-ft) decreasing to fair (45400 knot-ft) after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....62-72. 24 hr trend......Unchanged. Min humidity........11-17 percent. 24 hr trend......4 percent wetter. 20-foot winds.......West around 10 mph increasing to around 20 mph in the afternoon. Gusts up to 40 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph increasing to around 25 mph in the afternoon. Mixing height.......2500-4500 ft AGL increasing to 8700-10700 ft AGL in the afternoon. Smoke dispersal.....Fair (41700 knot-ft) increasing to excellent (204300 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 60s. Southwest winds around 15 mph. .MONDAY...Cooler. Mostly cloudy. Showers likely with possible snow showers and thunderstorms. Lows around 40. Highs in the lower 50s. Northwest winds around 10 mph. .TUESDAY...Showers, snow showers likely and slight chance of thunderstorms. Lows in the upper 30s. Highs around 50. Northwest winds around 10 mph. .WEDNESDAY...Partly cloudy with chance of showers, slight chance of thunderstorms and snow showers. Lows in the mid 30s. Highs around 60. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the lower 60s. $$ WYZ420-172215- North Laramie Valley/Shirley Basin- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....69-74. 24 hr trend......6 degrees warmer. Min humidity........11-17 percent. 24 hr trend......4 percent drier. 20-foot winds.......Breezy. West around 15 mph increasing to around 25 mph in the afternoon. Gusts up to 45 mph. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 30 to 35 mph. Mixing height.......3800-5800 ft AGL increasing to 10900-12900 ft AGL in the afternoon. Smoke dispersal.....Very good (132700 knot-ft) increasing to excellent (384900 knot-ft) in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy until 2400, then clear. Min temperature.....33-38. 24 hr trend......6 degrees cooler. Max humidity........57-63 percent. 24 hr trend......23 percent drier. Humidity recovery...Fair. 20-foot winds.......West around 20 mph with gusts to around 45 mph decreasing to around 10 mph and gusty after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 40 mph decreasing to around 25 mph after midnight. Mixing height.......6500-8500 ft AGL decreasing to 1300-3300 ft AGL after midnight. Smoke dispersal.....Excellent (268400 knot-ft) decreasing to poor (39700 knot-ft) after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....64-69. 24 hr trend......6 degrees cooler. Min humidity........11-17 percent. 24 hr trend......1 percent drier. 20-foot winds.......West 15 to 20 mph with gusts to around 40 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph increasing to around 30 mph in the afternoon. Mixing height.......2300-4300 ft AGL increasing to 8100-10100 ft AGL in the afternoon. Smoke dispersal.....Fair (48400 knot-ft) increasing to excellent (231700 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Southwest winds around 10 mph. .MONDAY...Cooler. Mostly cloudy. Showers likely and slight chance of thunderstorms. Lows in the upper 30s. Highs in the lower 50s. West winds around 10 mph. .TUESDAY...Mostly cloudy with showers likely with possible snow showers and thunderstorms. Lows in the mid 30s. Highs in the lower 50s. West winds around 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers, thunderstorms and snow showers. Lows in the mid 30s. Highs around 60. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the lower 60s. $$ WYZ421-172215- Ferris/Seminoe/Shirley Mountains- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....69-75. 24 hr trend......3 degrees warmer. Min humidity........11-17 percent. 24 hr trend......4 percent drier. 20-foot winds.......Breezy. Southwest around 15 mph with gusts to around 35 mph increasing to west around 25 mph with gusts to around 50 mph in the afternoon. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 30 to 35 mph. Mixing height.......4400-6400 ft AGL increasing to 11400-13400 ft AGL in the afternoon. Smoke dispersal.....Very good (121100 knot-ft) increasing to excellent (411200 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Min temperature.....33-38. 24 hr trend......13 degrees cooler. Max humidity........62-68 percent. 24 hr trend......4 percent drier. Humidity recovery...Fair. 20-foot winds.......Breezy. West around 25 mph with gusts to around 45 mph decreasing to around 10 mph and gusty after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 40 mph decreasing to around 15 mph after midnight. Mixing height.......6600-8600 ft AGL decreasing to 900-2900 ft AGL after midnight. Smoke dispersal.....Excellent (248800 knot-ft) decreasing to poor (27800 knot-ft) after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....63-69. 24 hr trend......4 degrees cooler. Min humidity........8-14 percent. 24 hr trend......4 percent drier. 20-foot winds.......Breezy. Southwest around 15 mph increasing to west around 25 mph in the afternoon. Gusts up to 40 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph increasing to around 30 mph in the afternoon. Mixing height.......2300-4300 ft AGL increasing to 8000-10000 ft AGL in the afternoon. Smoke dispersal.....Poor (39300 knot-ft) increasing to excellent (239300 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Southwest winds around 15 mph. .MONDAY...Cooler. Mostly cloudy with showers likely with possible snow showers and thunderstorms. Lows in the upper 30s. Highs in the lower 50s. West winds around 10 mph. .TUESDAY...Mostly cloudy. Showers likely with possible snow showers and thunderstorms. Lows in the mid 30s. Highs in the lower 50s. West winds around 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and snow showers. Lows in the mid 30s. Highs in the lower 60s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 60s. $$ WYZ422-172215- Central and West Carbon- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1200, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....70-76. 24 hr trend......5 degrees warmer. Min humidity........11-17 percent. 24 hr trend......5 percent drier. 20-foot winds.......Breezy. Southwest around 15 mph increasing to west around 25 mph in the afternoon. Gusts up to 45 mph. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 30 to 35 mph. Mixing height.......4500-6500 ft AGL increasing to 11700-13700 ft AGL in the afternoon. Smoke dispersal.....Very good (140100 knot-ft) increasing to excellent (392600 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy until 2400, then clear. Min temperature.....34-39. 24 hr trend......6 degrees cooler. Max humidity........50-56 percent. 24 hr trend......17 percent drier. Humidity recovery...Poor. 20-foot winds.......Breezy. West around 25 mph with gusts to around 45 mph decreasing to around 10 mph with gusts to around 35 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 40 mph decreasing to around 20 mph after midnight. Mixing height.......7200-9200 ft AGL decreasing to 1100-3100 ft AGL after midnight. Smoke dispersal.....Excellent (261500 knot-ft) decreasing to poor (35900 knot-ft) after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....65-70. 24 hr trend......5 degrees cooler. Min humidity........9-15 percent. 24 hr trend......2 percent drier. 20-foot winds.......Southwest 15 to 20 mph with gusts to around 35 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph increasing to around 30 mph in the afternoon. Mixing height.......2400-4400 ft AGL increasing to 8300-10300 ft AGL in the afternoon. Smoke dispersal.....Fair (49100 knot-ft) increasing to excellent (230000 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Southwest winds around 15 mph. .MONDAY...Cooler. Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the lower 50s. West winds around 10 mph. .TUESDAY...Mostly cloudy. Chance of showers, snow showers and slight chance of thunderstorms. Lows in the mid 30s. Highs in the mid 50s. West winds around 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers. Lows in the mid 30s. Highs in the lower 60s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows around 40. Highs in the lower 60s. $$ WYZ423-172215- Southwest Carbon County- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1200, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....70-75. 24 hr trend......5 degrees warmer. Min humidity........15-21 percent. 24 hr trend......1 percent drier. 20-foot winds.......South around 10 mph with higher gusts increasing to southwest around 20 mph with gusts to around 40 mph in the afternoon. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 20 mph increasing to west around 30 mph in the afternoon. Mixing height.......4100-6100 ft AGL increasing to 11500-13500 ft AGL in the afternoon. Smoke dispersal.....Good (79400 knot-ft) increasing to excellent (321400 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy until 2400, then clear. Min temperature.....34-39. 24 hr trend......6 degrees cooler. Max humidity........51-57 percent. 24 hr trend......15 percent drier. Humidity recovery...Poor. 20-foot winds.......West around 15 mph with gusts to around 40 mph decreasing to around 5 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 30 mph decreasing to around 15 mph after midnight. Mixing height.......6400-8400 ft AGL decreasing to 800-2500 ft AGL after midnight. Smoke dispersal.....Excellent (198300 knot-ft) decreasing to poor (20300 knot-ft) after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Max temperature.....67-72. 24 hr trend......3 degrees cooler. Min humidity........13-19 percent. 24 hr trend......1 percent drier. 20-foot winds.......Southwest 10 to 15 mph with higher gusts. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph increasing to around 25 mph in the afternoon. Mixing height.......2300-4300 ft AGL increasing to 8600-10600 ft AGL in the afternoon. Smoke dispersal.....Poor (32800 knot-ft) increasing to excellent (198100 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Mostly cloudy with chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Southwest winds around 15 mph. .MONDAY...Cooler. Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the mid 50s. Northwest winds around 10 mph. .TUESDAY...Partly cloudy. Chance of showers, snow showers and slight chance of thunderstorms. Lows in the mid 30s. Highs in the mid 50s. Southwest winds around 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers. Lows in the mid 30s. Highs in the lower 60s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows around 40. Highs in the lower 60s. $$ WYZ424-172215- Sierra Madre Range/Medicine Bow NF- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....62-70. 24 hr trend......8 degrees warmer. Min humidity........17-23 percent. 24 hr trend......4 percent drier. 20-foot winds.......Southwest around 10 mph with higher gusts increasing to around 20 mph with gusts to around 35 mph in the afternoon. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 25 to 30 mph. Mixing height.......4600-6600 ft AGL increasing to 10000-12000 ft AGL in the afternoon. Smoke dispersal.....Very good (139700 knot-ft) increasing to excellent (278400 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy until 2400, then clear. Min temperature.....31-36. 24 hr trend......6 degrees cooler. Max humidity........45-51 percent. 24 hr trend......18 percent drier. Humidity recovery...Poor. 20-foot winds.......West 10 to 15 mph. Gusts up to 35 mph decreasing to 25 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 30 mph decreasing to around 20 mph after midnight. Mixing height.......6100-8100 ft AGL decreasing to 700-2700 ft AGL after midnight. Smoke dispersal.....Excellent (192200 knot-ft) decreasing to poor (25400 knot-ft) after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Max temperature.....58-68. 24 hr trend......3 degrees cooler. Min humidity........14-20 percent. 24 hr trend......4 percent drier. 20-foot winds.......Southwest 10 to 15 mph with higher gusts. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing height.......2800-4800 ft AGL increasing to 8500-10500 ft AGL in the afternoon. Smoke dispersal.....Fair (58700 knot-ft) increasing to excellent (221500 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Mostly cloudy. Showers and thunderstorms likely. Lows around 40. Highs in the lower 60s. Southwest winds around 10 mph. .MONDAY...Cooler. Mostly cloudy. Showers, snow showers likely and chance of thunderstorms. Lows in the mid 30s. Highs in the lower 50s. Southwest winds around 5 mph. .TUESDAY...Mostly cloudy. Snow showers likely with possible showers and thunderstorms. Lows in the lower 30s. Highs in the upper 40s. Southwest winds around 10 mph. .WEDNESDAY...Partly cloudy with chance of snow showers and slight chance of showers. Lows in the lower 30s. Highs in the mid 50s. .THURSDAY...Partly cloudy with slight chance of showers, thunderstorms and snow showers. Lows in the mid 30s. Highs in the mid 50s. $$ WYZ425-172215- Upper North Platte River Basin- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....70-75. 24 hr trend......6 degrees warmer. Min humidity........13-19 percent. 24 hr trend......2 percent drier. 20-foot winds.......Breezy. Southwest around 15 mph with gusts to around 35 mph increasing to west around 25 mph with gusts to around 45 mph in the afternoon. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 25 to 30 mph. Mixing height.......4700-6700 ft AGL increasing to 11600-13600 ft AGL in the afternoon. Smoke dispersal.....Excellent (156800 knot-ft) increasing to excellent (339300 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy until 2400, then clear. Min temperature.....33-38. 24 hr trend......8 degrees cooler. Max humidity........45-51 percent. 24 hr trend......15 percent drier. Humidity recovery...Poor. 20-foot winds.......West 10 to 15 mph. Gusts up to 40 mph decreasing to 25 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 30 mph decreasing to around 15 mph after midnight. Mixing height.......6000-8000 ft AGL decreasing to 300-2300 ft AGL after midnight. Smoke dispersal.....Excellent (188800 knot-ft) decreasing to poor (21500 knot-ft) after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Max temperature.....65-70. 24 hr trend......6 degrees cooler. Min humidity........11-17 percent. 24 hr trend......2 percent drier. 20-foot winds.......Southwest 10 to 15 mph with higher gusts. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph increasing to around 25 mph in the afternoon. Mixing height.......3300-5300 ft AGL increasing to 9200-11200 ft AGL in the afternoon. Smoke dispersal.....Fair (59100 knot-ft) increasing to excellent (234700 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Southwest winds around 10 mph. .MONDAY...Cooler. Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the mid 50s. Southwest winds around 5 mph. .TUESDAY...Mostly cloudy. Chance of showers, snow showers and slight chance of thunderstorms. Lows in the mid 30s. Highs in the lower 50s. Southwest winds around 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and snow showers. Lows in the lower 30s. Highs in the lower 60s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 30s. Highs in the lower 60s. $$ WYZ426-172215- Snowy Range/Medicine Bow NF- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....60-68. 24 hr trend......4 degrees warmer. Min humidity........16-22 percent. 24 hr trend......6 percent drier. 20-foot winds.......West around 20 mph with gusts to around 45 mph. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West around 30 mph. Mixing height.......4200-6200 ft AGL increasing to 9500-11500 ft AGL in the afternoon. Smoke dispersal.....Very good (148000 knot-ft) increasing to excellent (292800 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy until 2400, then clear. Min temperature.....31-36. 24 hr trend......3 degrees cooler. Max humidity........44-50 percent. 24 hr trend......17 percent drier. Humidity recovery...Poor. 20-foot winds.......West 15 to 20 mph. Gusts up to 45 mph decreasing to 35 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 30 to 35 mph. Mixing height.......6400-8400 ft AGL decreasing to 1100-3100 ft AGL after midnight. Smoke dispersal.....Excellent (230800 knot-ft) decreasing to fair (42000 knot-ft) after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Max temperature.....56-64. 24 hr trend......3 degrees cooler. Min humidity........17 percent. 24 hr trend......4 percent drier. 20-foot winds.......West 15 to 20 mph with gusts to around 35 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing height.......2800-4800 ft AGL increasing to 8300-10300 ft AGL in the afternoon. Smoke dispersal.....Good (69000 knot-ft) increasing to excellent (230000 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Showers and thunderstorms likely. Lows in the upper 30s. Highs in the upper 50s. Southwest winds around 15 mph. .MONDAY...Mostly cloudy with showers likely, chance of thunderstorms and snow showers likely. Lows in the mid 30s. Highs in the lower 50s. Southwest winds around 10 mph. .TUESDAY...Mostly cloudy with showers, snow showers likely and slight chance of thunderstorms. Lows around 30. Highs in the mid 40s. Southwest winds around 10 mph. .WEDNESDAY...Partly cloudy with chance of showers and snow showers. Lows around 30. Highs in the lower 50s. .THURSDAY...Partly cloudy with chance of snow showers, slight chance of showers and thunderstorms. Lows in the mid 30s. Highs in the mid 50s. $$ WYZ427-172215- North Snowy Range Foothills- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....69-74. 24 hr trend......7 degrees warmer. Min humidity........11-17 percent. 24 hr trend......3 percent drier. 20-foot winds.......Windy. West 25 to 30 mph with gusts to around 45 mph. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West around 35 mph. Mixing height.......4300-6300 ft AGL increasing to 11200-13200 ft AGL in the afternoon. Smoke dispersal.....Excellent (172100 knot-ft) increasing to excellent (373000 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy until 2400, then clear. Min temperature.....35-40. 24 hr trend......9 degrees cooler. Max humidity........40-46 percent. 24 hr trend......13 percent drier. Humidity recovery...Poor. 20-foot winds.......West 15 to 20 mph. Gusts up to 45 mph decreasing to 30 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 40 mph decreasing to around 30 mph after midnight. Mixing height.......7500-9500 ft AGL decreasing to 1300-3300 ft AGL after midnight. Smoke dispersal.....Excellent (282200 knot-ft) decreasing to fair (53900 knot-ft) after midnight. Haines Index........4 or low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....64-69. 24 hr trend......7 degrees cooler. Min humidity........10-16 percent. 24 hr trend......Unchanged. 20-foot winds.......West 15 to 20 mph with gusts to around 35 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing height.......2900-4900 ft AGL increasing to 8700-10700 ft AGL in the afternoon. Smoke dispersal.....Good (66900 knot-ft) increasing to excellent (235800 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 60s. Southwest winds around 15 mph. .MONDAY...Cooler. Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the upper 30s. Highs in the lower 50s. West winds around 10 mph. .TUESDAY...Mostly cloudy. Showers likely with possible snow showers and thunderstorms. Lows in the mid 30s. Highs in the lower 50s. Southwest winds around 10 mph. .WEDNESDAY...Partly cloudy with chance of snow showers and slight chance of showers. Lows in the mid 30s. Highs in the upper 50s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 30s. Highs in the lower 60s. $$ WYZ428-172215- Southern Laramie Valley- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....71-76. 24 hr trend......7 degrees warmer. Min humidity........11-17 percent. 24 hr trend......5 percent drier. 20-foot winds.......Breezy. West 20 to 25 mph with gusts to around 45 mph. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West around 30 mph. Mixing height.......4300-6300 ft AGL increasing to 11100-13100 ft AGL in the afternoon. Smoke dispersal.....Excellent (154000 knot-ft) increasing to excellent (325500 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy until 2400, then clear. Slight chance of showers and thunderstorms until 2100. Some thunderstorms may produce gusty winds until 2100. Min temperature.....36-41. 24 hr trend......6 degrees cooler. Max humidity........40-46 percent. 24 hr trend......27 percent drier. Humidity recovery...Poor. 20-foot winds.......West 15 to 20 mph. Gusts up to 40 mph decreasing to 25 mph after midnight. LAL.................2 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....West around 35 mph decreasing to around 25 mph after midnight. Mixing height.......6200-8200 ft AGL decreasing to 1000-3000 ft AGL after midnight. Smoke dispersal.....Excellent (208600 knot-ft) decreasing to poor (31500 knot-ft) after midnight. Haines Index........4 or low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Max temperature.....66-71. 24 hr trend......5 degrees cooler. Min humidity........9-15 percent. 24 hr trend......2 percent drier. 20-foot winds.......West 15 to 20 mph with gusts to around 35 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing height.......3600-5600 ft AGL increasing to 10300-12300 ft AGL in the afternoon. Smoke dispersal.....Good (73500 knot-ft) increasing to excellent (251200 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 40s. Highs in the upper 60s. Southwest winds around 10 mph. .MONDAY...Cooler. Partly cloudy. Showers likely and chance of thunderstorms. Lows in the upper 30s. Highs in the upper 50s. West winds around 10 mph. .TUESDAY...Mostly cloudy with showers likely with possible snow showers and thunderstorms. Lows in the mid 30s. Highs in the lower 50s. West winds around 10 mph. .WEDNESDAY...Partly cloudy with chance of showers. Lows in the lower 30s. Highs in the lower 60s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 30s. Highs in the lower 60s. $$ WYZ429-172215- Southern Laramie Range- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....69-75. 24 hr trend......7 degrees warmer. Min humidity........11-17 percent. 24 hr trend......7 percent drier. 20-foot winds.......Breezy. West 20 to 25 mph with gusts to around 45 mph. LAL.................1 until 1200, then 2 until 1500, then 3. Chc of wetting rain.Zero percent. Transport winds.....West around 30 mph. Mixing height.......4100-6100 ft AGL increasing to 10300-12300 ft AGL in the afternoon. Smoke dispersal.....Very good (147200 knot-ft) increasing to excellent (292200 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy until 2400, then clear. Slight chance of showers and thunderstorms until 2100. Some thunderstorms may produce gusty winds until 2100. Min temperature.....36-41. 24 hr trend......7 degrees cooler. Max humidity........41-47 percent. 24 hr trend......15 percent drier. Humidity recovery...Poor. 20-foot winds.......West 15 to 20 mph. Gusts up to 40 mph decreasing to 30 mph after midnight. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....West 30 to 35 mph. Mixing height.......8100-10100 ft AGL decreasing to 1700-3700 ft AGL after midnight. Smoke dispersal.....Excellent (269500 knot-ft) decreasing to good (65200 knot-ft) after midnight. Haines Index........4 or low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Max temperature.....65-70. 24 hr trend......5 degrees cooler. Min humidity........10-16 percent. 24 hr trend......2 percent drier. 20-foot winds.......West 15 to 20 mph with gusts to around 35 mph. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing height.......3600-5600 ft AGL increasing to 10100-12100 ft AGL in the afternoon. Smoke dispersal.....Good (78100 knot-ft) increasing to excellent (240600 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 60s. Southwest winds around 15 mph. .MONDAY...Cooler. Partly cloudy. Showers likely and chance of thunderstorms. Lows in the upper 30s. Highs in the mid 50s. Northwest winds around 15 mph. .TUESDAY...Showers, snow showers likely and chance of thunderstorms. Lows in the mid 30s. Highs in the upper 40s. Northwest winds around 15 mph. .WEDNESDAY...Partly cloudy with chance of showers, snow showers and slight chance of thunderstorms. Lows in the mid 30s. Highs in the upper 50s. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs around 60. $$ WYZ430-172215- Laramie Foothills and High Plains- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms after 1500. Some thunderstorms may produce gusty winds after 1500. Max temperature.....78-83. 24 hr trend......10 degrees warmer. Min humidity........14 percent. 24 hr trend......7 percent drier. 20-foot winds.......West around 20 mph with gusts to around 35 mph. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing height.......4800-6800 ft AGL increasing to 12200-14200 ft AGL in the afternoon. Smoke dispersal.....Very good (141400 knot-ft) increasing to excellent (303200 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Slight chance of showers and thunderstorms until 2100. Some thunderstorms may produce gusty winds until 2100. Min temperature.....39-44. 24 hr trend......9 degrees cooler. Max humidity........54-60 percent. 24 hr trend......12 percent drier. Humidity recovery...Fair. 20-foot winds.......West 10 to 15 mph. Gusts up to 35 mph decreasing to 25 mph after midnight. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....West around 30 mph. Mixing height.......7500-9500 ft AGL decreasing to 1000-3000 ft AGL after midnight. Smoke dispersal.....Excellent (206200 knot-ft) decreasing to poor (34100 knot-ft) after midnight. Haines Index........4 or low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Max temperature.....72-77. 24 hr trend......5 degrees cooler. Min humidity........10-16 percent. 24 hr trend......3 percent drier. 20-foot winds.......Northwest around 10 mph shifting to the southwest in the afternoon. Gusts up to 30 mph. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing height.......3500-5500 ft AGL increasing to 9900-11900 ft AGL in the afternoon. Smoke dispersal.....Fair (51400 knot-ft) increasing to excellent (196600 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. Southwest winds around 15 mph. .MONDAY...Cooler. Partly cloudy with showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the lower 60s. North winds around 10 mph. .TUESDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the upper 30s. Highs in the mid 50s. Northwest winds around 10 mph. .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the mid 60s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the upper 60s. $$ WYZ431-172215- Laramie East High Plains- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1500. Some thunderstorms may produce gusty winds after 1500. Max temperature.....81-86. 24 hr trend......10 degrees warmer. Min humidity........14 percent. 24 hr trend......7 percent drier. 20-foot winds.......West around 15 mph with higher gusts. LAL.................1 until 1500, then 3. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing height.......5100-7100 ft AGL increasing to 13300-15300 ft AGL in the afternoon. Smoke dispersal.....Very good (139500 knot-ft) increasing to excellent (299300 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Slight chance of showers and thunderstorms until 2100. Some thunderstorms may produce gusty winds until 2100. Min temperature.....41-46. 24 hr trend......7 degrees cooler. Max humidity........69-75 percent. 24 hr trend......15 percent wetter. Humidity recovery...Good. 20-foot winds.......West 10 to 15 mph. Gusts up to 30 mph decreasing to 20 mph after midnight. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing height.......6600-8600 ft AGL decreasing to 0-1100 ft AGL after midnight. Smoke dispersal.....Very good (122500 knot-ft) decreasing to poor (10100 knot-ft) after midnight. Haines Index........5 or moderate potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Max temperature.....73-78. 24 hr trend......9 degrees cooler. Min humidity........13-19 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Northwest around 10 mph shifting to the southwest in the afternoon. Gusts up to 20 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph shifting to the southwest in the afternoon. Mixing height.......1600-3600 ft AGL increasing to 6700-8700 ft AGL in the afternoon. Smoke dispersal.....Poor (29300 knot-ft) increasing to very good (114200 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 70s. Southwest winds around 10 mph. .MONDAY...Cooler. Partly cloudy with showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. North winds around 10 mph. .TUESDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the upper 30s. Highs in the upper 50s. North winds around 10 mph. .WEDNESDAY...Warmer. Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the upper 60s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 70s. $$ WYZ432-172215- Bordeaux/Chugwater/Wheatland- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny until 1500, then partly cloudy. Slight chance of showers and thunderstorms after 1200. Some thunderstorms may produce gusty winds after 1200. Max temperature.....82-87. 24 hr trend......8 degrees warmer. Min humidity........14 percent. 24 hr trend......6 percent drier. 20-foot winds.......West 15 to 20 mph with gusts to around 40 mph. LAL.................1 until 1200, then 2 until 1500, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 25 to 30 mph. Mixing height.......4400-6400 ft AGL increasing to 12400-14400 ft AGL in the afternoon. Smoke dispersal.....Very good (129600 knot-ft) increasing to excellent (341300 knot-ft) in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Slight chance of showers and thunderstorms until 2100. Some thunderstorms may produce gusty winds until 2100. Min temperature.....40-45. 24 hr trend......12 degrees cooler. Max humidity........68-74 percent. 24 hr trend......19 percent wetter. Humidity recovery...Good. 20-foot winds.......West around 20 mph with gusts to around 40 mph becoming northwest around 10 mph and gusty after midnight. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....West around 35 mph becoming northwest around 25 mph after midnight. Mixing height.......7200-9200 ft AGL decreasing to 500-2500 ft AGL after midnight. Smoke dispersal.....Excellent (235800 knot-ft) decreasing to poor (28500 knot-ft) after midnight. Haines Index........4 or low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....75-80. 24 hr trend......6 degrees cooler. Min humidity........9-15 percent. 24 hr trend......1 percent drier. 20-foot winds.......Northwest around 5 mph increasing to west around 15 mph in the afternoon. Gusts up to 25 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph increasing to southwest around 20 mph in the afternoon. Mixing height.......2400-4400 ft AGL increasing to 8300-10300 ft AGL in the afternoon. Smoke dispersal.....Poor (34100 knot-ft) increasing to excellent (159200 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. Southwest winds around 10 mph. .MONDAY...Cooler. Partly cloudy with showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs around 60. Northwest winds around 10 mph. .TUESDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. Northwest winds around 10 mph. .WEDNESDAY...Warmer. Partly cloudy with chance of showers and slight chance of thunderstorms. Lows around 40. Highs in the upper 60s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs around 70. $$ WYZ433-172215- Goshen/Middle-Lower North Platte River Basin- 708 AM MDT Fri May 17 2024 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms after 1500. Some thunderstorms may produce gusty winds after 1500. Max temperature.....85-90. 24 hr trend......10 degrees warmer. Min humidity........13 percent. 24 hr trend......7 percent drier. 20-foot winds.......West 15 to 20 mph with gusts to around 35 mph. LAL.................1 until 1200, then 3. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing height.......4500-6500 ft AGL increasing to 12700-14700 ft AGL in the afternoon. Smoke dispersal.....Very good (101300 knot-ft) increasing to excellent (326700 knot-ft) in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Slight chance of showers and thunderstorms until 2100. Some thunderstorms may produce gusty winds until 2100. Min temperature.....42-47. 24 hr trend......4 degrees cooler. Max humidity........64-70 percent. 24 hr trend......3 percent wetter. Humidity recovery...Fair. 20-foot winds.......Northwest 10 to 15 mph. Gusts up to 35 mph decreasing to 20 mph after midnight. LAL.................3 until 2100, then 1. Chc of wetting rain.Zero percent. Transport winds.....Northwest 20 to 25 mph. Mixing height.......6800-8800 ft AGL decreasing to 300-2300 ft AGL after midnight. Smoke dispersal.....Very good (146900 knot-ft) decreasing to poor (18800 knot-ft) after midnight. Haines Index........4 or low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny. Max temperature.....75-80. 24 hr trend......9 degrees cooler. Min humidity........11-17 percent. 24 hr trend......3 percent wetter. 20-foot winds.......West around 10 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph shifting to the southwest in the afternoon. Mixing height.......2500-4500 ft AGL increasing to 6600-8600 ft AGL in the afternoon. Smoke dispersal.....Fair (44300 knot-ft) increasing to very good (101000 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .SUNDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 80s. Southwest winds around 10 mph. .MONDAY...Cooler. Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Northwest winds around 10 mph. .TUESDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. Northwest winds around 10 mph. .WEDNESDAY...Warmer. Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the lower 70s. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 70s. $$