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

Gem Valley (ITDC3)

Lat: 42.64943° N Lon: 111.82603° W Elev: 5523.0 ft.

NA

39°F

4°C

Humidity 73%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility 1.24 mi
Wind Chill35°F (2°C)
Last update 26 Dec 02:30 AM MST
Detailed forecast for

Blackfoot Mountains

Tonight
Mostly cloudy with a chance of rain and snow. Breezy. Little or no snow accumulation. Lows 31 to 40.
Friday
A chance of snow and rain in the morning...then snow and rain in the afternoon. Breezy. Snow accumulation of 1 to 3 inches. Snow level 5900 feet. Highs 38 to 45.
Friday Night
Snow, colder. Snow accumulation up to 2 inches. Lows 21 to 30.
Saturday
Snow, breezy. Highs 28 to 35.
Saturday Night
Partly cloudy with a chance of snow. Colder. Lows 6 to 16.
Sunday Through Monday
Mostly clear. Highs 21 to 31. Lows 4 to 14.
Monday Night
Mostly clear. Lows 9 to 19.
Tuesday
Partly sunny. Highs 29 to 37.
Tuesday Night And Wednesday
Partly cloudy. Lows 13 to 22. Highs 32 to 40.
Wednesday Night
Mostly cloudy. Lows 19 to 27.
New Years Day
Partly sunny with a slight chance of snow. Highs 36 to 44.



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202 PM MST Thu Dec 25 2025
 
 

Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database