049 FNUS53 KGRR 201923 FWFGRR Fire Weather Planning Forecast for Southwest Lower Michigan National Weather Service Grand Rapids MI 323 PM EDT Mon May 20 2024 ...Showers and Thunderstorms Tonight and Tuesday night... .DISCUSSION... Rain can be expected this evening and again Tuesday night as showers and thunderstorms move through. Humidity will also increase until a cold front comes through and brings cooler and drier air on Wednesday. MIZ037>039-043>045-210815- Mason-Lake-Osceola-Oceana-Newaygo-Mecosta- Including the cities of Ludington, Baldwin, Reed City, Hart, Fremont, and Big Rapids 323 PM EDT Mon May 20 2024 .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent). Rain showers until 1 AM. Chance of thunderstorms. Chance of rain showers after 1 AM. Chance of pcpn......90 percent. Min temperature.....50-55. 24 hr trend......2 degrees warmer. Max humidity........95-100 percent. 24 hr trend......19 percent wetter. 20-foot winds.......Southwest winds 5 to 8 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......1000-1500 ft AGL. Transport winds.....Southwest 10 to 15 mph. Smoke dispersal.....220 (fair). Pcpn Amount.........0.04-0.50 in. .TUESDAY... Sky/weather.........Partly sunny (45-55 percent). Chance of rain showers. Chance of thunderstorms after 11 AM. Chance of pcpn......40 percent. Max temperature.....81-86. 24 hr trend......Unchanged. Min humidity........47-52 percent. 24 hr trend......4 percent drier. 20-foot winds.......South winds 5 to 9 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......2800-3300 ft AGL near Lake Michigan and 4200-4700 ft AGL Inland. Transport winds.....Southwest 5 to 10 mph. Smoke dispersal.....280-630 (fair to excellent). Pcpn Amount.........none to 0.10 in. .TUESDAY NIGHT... Sky/weather.........Partly cloudy (40-50 percent) until 11 PM, then mostly cloudy (65-75 percent) until 5 AM, then partly cloudy (55-65 percent). Rain showers likely and a chance of thunderstorms. Chance of pcpn......70 percent. Min temperature.....54-59. 24 hr trend......5 degrees warmer. Max humidity........95-100 percent near Lake Michigan and 85-90 percent Inland. 24 hr trend...... 24 hr trend...... 20-foot winds.......South winds 10 to 15 mph with gusts to around 29 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......1900-2400 ft AGL. Transport winds.....South around 20 mph. Smoke dispersal.....400-480 (good). Pcpn Amount.........0.19-0.53 in. .WEDNESDAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....69-74. 24 hr trend......11 degrees cooler. Min humidity........54-59 percent near Lake Michigan and 46-51 percent Inland. 24 hr trend......5 percent wetter near Lake Michigan and 2 percent drier Inland. 20-foot winds.......Southwest winds 13 to 18 mph with gusts to around 29 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......2700-3200 ft AGL near Lake Michigan and 4000-4500 ft AGL Inland. Transport winds.....Southwest 20 to 25 mph. Smoke dispersal.....980-1060 (excellent). Pcpn Amount.........None. $$ MIZ040-046-210815- Clare-Isabella- Including the cities of Clare and Mount Pleasant 323 PM EDT Mon May 20 2024 .TONIGHT... Sky/weather.........Mostly cloudy (75-85 percent). Rain showers with thunderstorms likely until 2 AM, then a chance of showers and thunderstorms. Chance of pcpn......80 percent. Min temperature.....54-59. 24 hr trend......8 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 5 to 9 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......900-1400 ft AGL. Transport winds.....Southwest around 15 mph. Smoke dispersal.....230-240 (fair). Pcpn Amount.........0.14-0.53 in. .TUESDAY... Sky/weather.........Partly sunny (45-55 percent) until 2 PM, then mostly sunny (25-35 percent). Chance of showers and thunderstorms. Chance of pcpn......40 percent. Max temperature.....80-85. 24 hr trend......Unchanged. Min humidity........46-51 percent. 24 hr trend......2 percent wetter. 20-foot winds.......West winds around 6 mph shifting to the south around 7 mph in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......4300-4800 ft AGL. Transport winds.....West around 10 mph shifting to the south in the afternoon. Smoke dispersal.....260-590 (fair to good). Pcpn Amount.........0.04-0.11 in. .TUESDAY NIGHT... Sky/weather.........Partly cloudy (40-50 percent) until 2 AM, then mostly cloudy (65-75 percent) until 5 AM, then partly cloudy (60-70 percent). Chance of showers until 2 AM. Chance of thunderstorms until 5 AM. Showers likely after 2 AM. Chance of pcpn......60 percent. Min temperature.....61-66. 24 hr trend......4 degrees warmer. Max humidity........88-93 percent. 24 hr trend......Unchanged. 20-foot winds.......South winds 7 to 12 mph. Gusts up to 23 mph overnight. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......1800-2300 ft AGL. Transport winds.....South 15 to 20 mph. Smoke dispersal.....250-450 (fair to good). Pcpn Amount.........0.14-0.37 in. .WEDNESDAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....72-77. 24 hr trend......6 degrees cooler. Min humidity........41-46 percent. 24 hr trend......7 percent drier. 20-foot winds.......Southwest winds 13 to 18 mph with gusts to around 28 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......3700-4200 ft AGL. Transport winds.....Southwest around 25 mph. Smoke dispersal.....1110-1140 (excellent). Pcpn Amount.........none to 0.01 in. $$ MIZ050-056-064-071-210815- Muskegon-Ottawa-Allegan-Van Buren- Including the cities of Muskegon, Grand Haven, Jenison, Holland, and South Haven 323 PM EDT Mon May 20 2024 .TONIGHT... Sky/weather.........Mostly cloudy (75-85 percent) until 2 AM, then partly cloudy (60-70 percent) until 5 AM, then mostly cloudy (65-75 percent). Rain showers and thunderstorms likely until 11 PM, then a chance of showers and thunderstorms. Chance of pcpn......60 percent. Min temperature.....52-57. 24 hr trend......10 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 5 to 8 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......800-1300 ft AGL. Transport winds.....West 10 to 15 mph. Smoke dispersal.....100-180 (poor to fair). Pcpn Amount.........0.01-0.24 in. .TUESDAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of showers and thunderstorms. Chance of pcpn......30 percent. Max temperature.....84-89. 24 hr trend......Unchanged. Min humidity........45-50 percent. 24 hr trend......8 percent drier. 20-foot winds.......South winds 5 to 10 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......3100-3600 ft AGL near Lake Michigan and 4900-5400 ft AGL Inland. Transport winds.....South around 5 mph increasing to around 15 mph in the afternoon. Smoke dispersal.....470-930 (good to excellent). Pcpn Amount.........none to 0.05 in. .TUESDAY NIGHT... Sky/weather.........Partly cloudy (45-55 percent) until 2 AM, then mostly cloudy (65-75 percent) until 5 AM, then partly cloudy (45-55 percent). Chance of rain showers until 2 AM. Chance of thunderstorms. Rain showers likely after 2 AM. Chance of pcpn......60 percent. Min temperature.....56-61. 24 hr trend......6 degrees warmer. Max humidity........88-93 percent. 24 hr trend......Unchanged. 20-foot winds.......South winds 11 to 16 mph with gusts to around 29 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......1300-1800 ft AGL. Transport winds.....South around 20 mph. Smoke dispersal.....310-360 (good). Pcpn Amount.........0.35-0.58 in. .WEDNESDAY... Sky/weather.........Mostly sunny (20-30 percent). Chance of rain showers after 2 PM. Chance of pcpn......30 percent in the afternoon. Max temperature.....73-78. 24 hr trend......14 degrees cooler. Min humidity........46-51 percent. 24 hr trend......7 percent wetter. 20-foot winds.......Southwest winds 11 to 16 mph with gusts to around 26 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......2400-2900 ft AGL near Lake Michigan and 3300-3800 ft AGL Inland. Transport winds.....West 20 to 25 mph. Smoke dispersal.....820-860 (excellent). Pcpn Amount.........none to 0.01 in. $$ MIZ051-052-057>059-210815- Montcalm-Gratiot-Kent-Ionia-Clinton- Including the cities of Greenville, Alma, Grand Rapids, Ionia, and St. Johns 323 PM EDT Mon May 20 2024 .TONIGHT... Sky/weather.........Mostly cloudy (75-85 percent) until 2 AM, then partly cloudy (60-70 percent) until 5 AM, then mostly cloudy (65-75 percent). Rain showers with thunderstorms likely until 2 AM, then a chance of showers and thunderstorms. Chance of pcpn......80 percent. Min temperature.....56-61. 24 hr trend......4 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 5 to 10 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......800-1300 ft AGL. Transport winds.....Southwest around 15 mph. Smoke dispersal.....210-230 (fair). Pcpn Amount.........0.01-0.29 in. .TUESDAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of showers and thunderstorms. Chance of pcpn......40 percent. Max temperature.....Around 84. 24 hr trend......1 degree warmer. Min humidity........44-49 percent. 24 hr trend......1 percent drier. 20-foot winds.......Southwest winds 6 to 11 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......5000-5500 ft AGL. Transport winds.....Southwest around 10 mph. Smoke dispersal.....350-650 (good to excellent). Pcpn Amount.........none to 0.10 in. .TUESDAY NIGHT... Sky/weather.........Partly cloudy (45-55 percent). Chance of showers until 2 AM. Chance of thunderstorms. Showers likely after 2 AM. Chance of pcpn......60 percent. Min temperature.....62-67. 24 hr trend......7 degrees warmer. Max humidity........85-90 percent. 24 hr trend......Unchanged. 20-foot winds.......South winds 10 to 15 mph with gusts to around 26 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......1400-1900 ft AGL. Transport winds.....South 15 to 20 mph. Smoke dispersal.....250-370 (fair to good). Pcpn Amount.........0.12-0.54 in. .WEDNESDAY... Sky/weather.........Mostly sunny (25-35 percent). Chance of showers after 2 PM. Chance of pcpn......30 percent in the afternoon. Max temperature.....75-80. 24 hr trend......10 degrees cooler. Min humidity........36-41 percent. 24 hr trend......6 percent drier. 20-foot winds.......Southwest winds 15 to 20 mph with gusts to around 29 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......3900-4400 ft AGL. Transport winds.....Southwest around 25 mph. Smoke dispersal.....1200-1220 (excellent). Pcpn Amount.........none to 0.01 in. $$ MIZ065>067-072>074-210815- Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson- Including the cities of Hastings, Charlotte, Lansing, Kalamazoo, Battle Creek, and Jackson 323 PM EDT Mon May 20 2024 .TONIGHT... Sky/weather.........Mostly cloudy (70-80 percent) until 2 AM, then partly cloudy (55-65 percent). Chance of showers and thunderstorms. Chance of pcpn......40 percent. Min temperature.....58-63. 24 hr trend......7 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 5 to 9 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......700-1200 ft AGL. Transport winds.....Southwest 10 to 15 mph. Smoke dispersal.....100-150 (poor to fair). Pcpn Amount.........None to 0.20 in. .TUESDAY... Sky/weather.........Mostly sunny (25-35 percent). Chance of showers and thunderstorms. Chance of pcpn......30 percent. Max temperature.....Around 86. 24 hr trend......Unchanged. Min humidity........43-48 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Southwest winds 7 to 12 mph. Gusts up to 20 mph in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......5000-5500 ft AGL. Transport winds.....Southwest 10 to 15 mph. Smoke dispersal.....640-810 (excellent). Pcpn Amount.........none to 0.06 in. .TUESDAY NIGHT... Sky/weather.........Partly cloudy (40-50 percent). Chance of showers and thunderstorms. Chance of pcpn......50 percent. Min temperature.....64-69. 24 hr trend......5 degrees warmer. Max humidity........82-87 percent. 24 hr trend......Unchanged. 20-foot winds.......South winds 10 to 15 mph with gusts to around 27 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......1200-1700 ft AGL. Transport winds.....South 15 to 20 mph. Smoke dispersal.....260-340 (fair to good). Pcpn Amount.........0.08-0.60 in. .WEDNESDAY... Sky/weather.........Mostly sunny (30-40 percent). Chance of showers and thunderstorms. Chance of pcpn......40 percent. Max temperature.....78-83. 24 hr trend......7 degrees cooler. Min humidity........41-46 percent. 24 hr trend......2 percent drier. 20-foot winds.......Southwest winds 13 to 18 mph with gusts to around 28 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......4400-4900 ft AGL. Transport winds.....Southwest 20 to 25 mph. Smoke dispersal.....1200-1210 (excellent). Pcpn Amount.........none to 0.03 in. $$ .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly clear with a slight chance of thunderstorms. Chance of showers. Lows in the mid 50s. West winds 6 to 11 mph. .THURSDAY...Sunny. Highs in the mid 70s. West winds 6 to 11 mph. .THURSDAY NIGHT...Mostly clear. Lows around 50. West winds 5 to 7 mph shifting to the north 5 to 6 mph overnight. .FRIDAY...Mostly sunny. Highs in the upper 70s. East winds 5 to 7 mph shifting to the southeast in the afternoon. .FRIDAY NIGHT...Partly cloudy. Chance of showers overnight. Lows in the mid 50s. East winds 5 to 9 mph. .SATURDAY...Partly sunny with a chance of showers. Highs in the upper 70s. South winds 5 to 10 mph. .SATURDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. .SUNDAY...Partly sunny with a chance of showers. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy with a chance of showers. Lows in the upper 50s. .MEMORIAL DAY...Partly sunny with a chance of showers. Highs in the mid 70s. $$