Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Bowman Regional Airport (KBWW)

Lat: 46.17° N Lon: 103.3° W Elev: 2965 ft.

Freezing Fog

27°F

-3°C

Humidity 100%
Wind Speed SE 18 G 25 mph
Barometer 29.88 in
Dewpoint 27°F (-3°C)
Visibility 0.25 mi
Wind Chill14°F (-10°C)
Last update 24 Dec 10:35 pm MST
Detailed forecast for

Slope County

Rest Of Tonight
Mostly cloudy. Areas of fog. Lows in the mid 20s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
Christmas Day
Decreasing clouds. Areas of fog in the morning. Highs in the mid 40s. Southeast winds 10 to 15 mph, becoming west in the afternoon.
Thursday Night
Partly cloudy. Lows in the upper 20s. Southwest winds 5 to 10 mph.
Friday
Mostly sunny. Highs around 50. Southwest winds 10 to 15 mph.
Friday Night
Decreasing clouds. Lows in the mid 20s. Southwest winds 10 to 15 mph.
Saturday
Mostly sunny. Highs in the upper 30s.
Saturday Night
Mostly cloudy. Lows near zero.
Sunday
Sunny. Highs around 10.
Sunday Night
Mostly clear. Lows near zero.
Monday
Mostly sunny. Highs in the lower 30s.
Monday Night
Mostly cloudy. Lows around 20.
Tuesday
Mostly sunny. Highs in the upper 30s.
Tuesday Night
Mostly cloudy. Lows around 15.
Wednesday
Mostly cloudy. Highs around 30.



Basemap Options
Click map to change the forecast location
Loading map...
1036 PM MST Wed Dec 24 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database