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 >

Current conditions at

WHITEHALL (WHHM8)

Lat: 45.8715° N Lon: 112.10821° W Elev: 4390.0 ft.

NA

35°F

2°C

Humidity 90%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 24 Dec 11:15 AM MST
Detailed forecast for

Missouri Headwaters

Rest Of Today
Mostly sunny. Highs in the lower 50s. South winds 5 to 15 mph with gusts to around 45 mph.
Tonight
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s. Southwest winds up to 10 mph. Gusts up to 40 mph decreasing to 25 mph after midnight.
Christmas Day
Partly sunny. Patchy fog in the morning. Chance of rain in the morning, then slight chance of rain in the afternoon. Highs in the upper 40s. Southwest winds up to 10 mph with gusts to around 25 mph. Chance of rain 50 percent.
Thursday Night
Mostly cloudy. A 20 percent chance of rain after midnight. Lows in the lower 30s. Southwest winds 5 to 15 mph with gusts to around 30 mph.
Friday
Breezy. Partly sunny with a 20 percent chance of rain and snow. Highs in the mid 40s. Southwest winds 5 to 15 mph increasing to 10 to 25 mph in the afternoon.
Friday Night And Saturday
Breezy, colder. Partly cloudy. A 20 percent chance of snow. Lows in the mid 20s. Highs in the lower 30s.
Saturday Night
Colder. Partly cloudy. Lows around 15.
Sunday
Partly sunny. Highs in the mid 30s.
Sunday Night
Partly cloudy. Lows around 20.
Monday Through Tuesday
Mostly cloudy. Highs in the mid 40s. Lows in the mid 20s.



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908 AM MST Wed Dec 24 2025
 
 

Additional Resources

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