Mon May 20 14:46:08 EDT 2024

Perkins County-
Including Lemmon and Bison
1245 PM MDT Mon May 20 2024

.TONIGHT...
Sky/weather.........Cloudy. Chance of rain showers. 
Chc of wetting rain.20 percent. 
LAL.................1. 
Min temperature.....Around 45. 
Max humidity........81-89 percent. 
20-foot winds.......South around 5 mph shifting to the northwest 
                    after midnight. 
Haines Index........4 low potential for large plume dominated fire 
                    growth. 
Transport winds.....South around 15 mph shifting to the west after 
                    midnight. 
Smoke dispersal.....Poor. 
Mixing height.......400 to 500 ft agl. 

.TUESDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers through 
                    the day. 
Chc of wetting rain.20 percent. 
LAL.................1. 
Max temperature.....Around 64. 
Min humidity........37-43 percent. 
20-foot winds.......North 10 to 15 mph with gusts to around 25 mph. 
Haines Index........5 moderate potential for large plume dominated 
                    fire growth. 
Transport winds.....North 20 to 25 mph. 
Smoke dispersal.....Good increasing to excellent in the afternoon. 
Mixing height.......6300 to 7900 ft agl. 

.TUESDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy. 
Chc of wetting rain.0 percent. 
LAL.................1. 
Min temperature.....Around 40. 
Max humidity........85-91 percent. 
20-foot winds.......Northwest 10 to 15 mph. 
                    Gusts to around 25 mph in the evening. 
Haines Index........5 moderate potential for large plume dominated 
                    fire growth. 
Transport winds.....Northwest around 25 mph becoming west around 15 
                    mph after midnight. 
Smoke dispersal.....Poor. 
Mixing height.......400 to 500 ft agl. 

.WEDNESDAY...
Sky/weather.........Sunny. 
Chc of wetting rain.0 percent. 
LAL.................1. 
Max temperature.....Around 70. 
Min humidity........31 percent. 
20-foot winds.......Southwest 10 to 15 mph. 
Haines Index........6 high potential for large plume dominated fire 
                    growth. 
Transport winds.....Southwest around 20 mph. 
Smoke dispersal.....Good increasing to excellent in the afternoon. 
Mixing height.......7900 to 9900 ft agl. 


.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Breezy. Partly cloudy. Showers likely and slight
chance of thunderstorms. Lows in the mid 40s. Highs in the lower
70s. Southeast winds 15 to 25 mph. 
.FRIDAY...Cooler. Mostly cloudy. Chance of showers and slight
chance of thunderstorms. Lows around 40. Highs in the lower 60s.
West winds around 20 mph. 
.SATURDAY...Warmer. Mostly clear. Lows around 40. Highs in the
mid 70s. Southeast winds around 15 mph. 
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s. 
.MEMORIAL DAY...Partly cloudy. Chance of showers. Lows in the mid
40s. Highs in the upper 60s.