Mon May 20 16:15:40 EDT 2024

Southern Laramie Range-
215 PM MDT Mon May 20 2024

.TONIGHT...
Sky/weather.........Mostly cloudy. Showers with thunderstorms 
                    likely until 2400, then chance of showers, 
                    thunderstorms and snow showers. No snow 
                    accumulation. Some thunderstorms may produce 
                    gusty winds until 2400. 
Min temperature.....33-38. 
   24 hr trend......2 degrees cooler. 
Max humidity........92-98 percent. 
   24 hr trend......4 percent wetter. 
Humidity recovery...Excellent. 
20-foot winds.......North around 10 mph. Gusts up to 30 mph 
                    decreasing to 20 mph after midnight. 
LAL.................4 until 2100, then 3 until 0300, then 2. 
Chc of wetting rain.45 percent. 
Transport winds.....Northeast around 15 mph shifting to the north 
                    after midnight. 
Mixing height.......1500-3500 ft AGL. 
Smoke dispersal.....Poor (21200-25900 knot-ft). 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 

.TUESDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy. 
                    Chance of showers and snow showers until 1200, 
                    then showers, snow showers likely and chance of 
                    thunderstorms. Little or no snow accumulation. 
Max temperature.....42-48. 
   24 hr trend......11 degrees cooler. 
Min humidity........46-52 percent. 
   24 hr trend......5 percent drier. 
20-foot winds.......Northwest 15 to 20 mph with gusts to around 35 
                    mph. 
LAL.................1 until 1200, then 3. 
Chc of wetting rain.35 percent. 
Transport winds.....Northwest 20 to 25 mph. 
Mixing height.......3400-5400 ft AGL increasing to 6100-8100 ft AGL 
                    in the afternoon. 
Smoke dispersal.....Good (70500 knot-ft) increasing to excellent 
                    (157400 knot-ft) in the afternoon. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 

.TUESDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of thunderstorms, snow 
                    showers and showers until 2400, then slight 
                    chance of snow showers. 
Min temperature.....29-34. 
   24 hr trend......3 degrees cooler. 
Max humidity........75-81 percent. 
   24 hr trend......18 percent drier. 
Humidity recovery...Good. 
20-foot winds.......West around 15 mph and gusty. 
LAL.................3 until 2100, then 1. 
Chc of wetting rain.10 percent. 
Transport winds.....West around 20 mph. 
Mixing height.......4000-6000 ft AGL decreasing to 1000-1800 ft AGL 
                    after midnight. 
Smoke dispersal.....Good (75400 knot-ft) decreasing to poor (23400 
                    knot-ft) after midnight. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy 
                    until 1500, then mostly cloudy. Slight chance 
                    of snow showers after 1200 until 1600. Slight 
                    chance of showers after 1200. Slight chance of 
                    thunderstorms after 1500. 
Max temperature.....54-59. 
   24 hr trend......12 degrees warmer. 
Min humidity........21-27 percent. 
   24 hr trend......21 percent drier. 
20-foot winds.......Southwest around 15 mph with higher gusts. 
LAL.................1 until 1500, then 2. 
Chc of wetting rain.5 percent. 
Transport winds.....West 15 to 20 mph. 
Mixing height.......2700-4700 ft AGL increasing to 7700-9700 ft AGL 
                    in the afternoon. 
Smoke dispersal.....Fair (54200 knot-ft) increasing to very good 
                    (131400 knot-ft) in the afternoon. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly clear with chance of showers and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
Southwest winds around 15 mph. 
.FRIDAY...Partly cloudy with chance of showers, thunderstorms and
snow showers. Lows in the mid 30s. Highs in the lower 50s. West
winds around 15 mph. 
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 30s. Highs in the
lower 60s. Southwest winds around 10 mph. 
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows around 40. Highs in the upper 50s. 
.MEMORIAL DAY...Mostly clear. Chance of showers. Lows in the
upper 30s. Highs in the lower 60s.