Fri May  3 07:42:09 EDT 2024

Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
541 AM MDT Fri May 3 2024

.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy. 
                    Numerous snow showers early in the morning, 
                    then scattered snow showers in the late morning 
                    and early afternoon. Isolated snow showers 
                    early in the afternoon. Snow accumulation up to 
                    1 inch. Chance of snow 70 percent. 
Max temperature.....38-43. 
   24 hr trend......3 degrees cooler. 
Min humidity........35-41 percent. 
   24 hr trend......19 percent wetter. 
20-foot winds.......North winds 10 to 15 mph with higher gusts. 
Ridge top winds.....North 15 to 20 mph. 
LAL.................1. 
Chc of wetting rain.25 percent until 1200, then 5 percent. 
Transport winds.....North around 15 mph. 
Mixing Height.......1400-3400 ft agl until 1500, then 3800-5200 ft 
                    agl. 
Smoke dispersal.....Fair to good. 
Haines Index........3. 

.TONIGHT...
Sky/weather.........Mostly clear. 
Min temperature.....25-30. 
   24 hr trend......1 degree cooler. 
Max humidity........68-74 percent. 
   24 hr trend......16 percent drier. 
Humidity recovery...Good. 
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10 
                    mph. 
Ridge top winds.....North around 10 mph until 2100, then east. 
LAL.................1. 
Chc of wetting rain.Zero percent. 
Transport winds.....Northwest around 10 mph until 2100, then east 
                    until 0300, then southeast. 
Mixing Height.......3800-4400 ft agl until 2100, then 400-600 ft 
                    agl. 
Smoke dispersal.....Poor. 
Haines Index........3. 

.SATURDAY...
Sky/weather.........Mostly sunny. 
Max temperature.....58-63. 
   24 hr trend......19 degrees warmer. 
Min humidity........24-30 percent. 
   24 hr trend......12 percent drier. 
20-foot winds.......South winds 10 to 15 mph. Gusts up to 15 mph 
                    until 1200, then 20 mph. 
Ridge top winds.....South 15 to 20 mph. 
LAL.................1. 
Chc of wetting rain.Zero percent. 
Transport winds.....South 15 to 20 mph. 
Mixing Height.......400-1600 ft agl until 1200, then 4000-5800 ft 
                    agl. 
Smoke dispersal.....Poor until 1200, then good. 
Haines Index........4. 


.Forecast days 3 through 7......
.SATURDAY NIGHT...Not as cool. Mostly clear. Lows around 40.
Southeast winds around 15 mph. 
.SUNDAY...Windy. Mostly cloudy with chance of showers, snow
showers and slight chance of thunderstorms. Lows in the lower
30s. Highs in the mid 60s. Southwest winds around 30 mph. 
.MONDAY...Cooler, windy. Partly cloudy. Snow showers and showers
likely. Lows in the lower 30s. Highs in the upper 40s. West winds
around 30 mph. 
.TUESDAY...Breezy. Partly cloudy with chance of snow showers and
showers. Lows in the upper 20s. Highs in the upper 40s. West
winds around 25 mph. 
.WEDNESDAY...Partly cloudy. Chance of snow showers and showers.
Lows around 30. Highs in the upper 40s. 
.THURSDAY...Mostly cloudy. Chance of snow showers in the morning,
then chance of showers and snow showers in the afternoon. Highs
in the upper 40s.