Thu May  2 15:21:05 EDT 2024

Wyoming Black Hills-
Including Sundance and Four Corners
120 PM MDT Thu May 2 2024

.TONIGHT...
Sky/weather.........Mostly clear then becoming mostly cloudy. 
                    Slight chance of rain showers in the evening. 
Chc of wetting rain.0 percent. 
LAL.................1. 
Min temperature.....Around 29. 
Max humidity........72-82 percent. 
20-foot winds.......Northwest 15 to 20 mph with gusts to around 30 
                    mph becoming west 5 to 10 mph after midnight. 
Haines Index........2 very low potential for large plume dominated 
                    fire growth. 
Transport winds.....Northwest around 35 mph decreasing to around 15 
                    mph after midnight. 
Smoke dispersal.....Poor. 
Mixing height.......400 to 500 ft agl. 

.FRIDAY...
Sky/weather.........Partly sunny. Chance of snow showers in the 
                    morning, then slight chance of rain showers and 
                    snow showers in the afternoon. 
Chc of wetting rain.20 percent. 
LAL.................1. 
Max temperature.....44-50. 
Min humidity........33-41 percent. 
20-foot winds.......Northwest 10 to 20 mph. 
Haines Index........2 very low potential for large plume dominated 
                    fire growth. 
Transport winds.....Northwest around 25 mph. 
Smoke dispersal.....Good increasing to very good in the afternoon. 
Mixing height.......5500 to 6900 ft agl. 

.FRIDAY NIGHT...
Sky/weather.........Mostly clear. 
Chc of wetting rain.0 percent. 
LAL.................1. 
Min temperature.....Around 27. 
Max humidity........70-80 percent. 
20-foot winds.......Northwest 10 to 15 mph shifting to the south 5 
                    to 10 mph after midnight. 
Haines Index........2 very low potential for large plume dominated 
                    fire growth. 
Transport winds.....Northwest around 25 mph becoming southwest 
                    around 10 mph after midnight. 
Smoke dispersal.....Poor. 
Mixing height.......300 to 400 ft agl. 

.SATURDAY...
Sky/weather.........Sunny. 
Chc of wetting rain.0 percent. 
LAL.................1. 
Max temperature.....56-62. 
Min humidity........23-29 percent. 
20-foot winds.......South 10 to 15 mph. 
Haines Index........3 very low potential for large plume dominated 
                    fire growth. 
Transport winds.....Southwest 15 to 20 mph. 
Smoke dispersal.....Fair increasing to very good in the afternoon. 
Mixing height.......6000 to 7500 ft agl. 


.FORECAST DAYS 3 THROUGH 7...
.SUNDAY...Warmer, windy. Mostly clear. Chance of showers and
slight chance of thunderstorms. Lows in the lower 40s. Highs
around 70. Southeast winds 30 to 35 mph. 
.MONDAY...Cooler, windy. Showers likely and chance of
thunderstorms. Lows in the lower 40s. Highs in the mid 50s.
Southwest winds 25 to 30 mph. 
.TUESDAY...Windy. Mostly cloudy. Chance of showers, snow showers
and slight chance of thunderstorms. Lows in the mid 30s. Highs
around 50. West winds around 30 mph. 
.WEDNESDAY...Mostly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms. Lows in the mid 30s. Highs in the
mid 40s. 
.THURSDAY...Mostly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms. Lows in the mid 30s. Highs in the
upper 40s.