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

Clayton Lake (K40B)

Lat: 46.62° N Lon: 69.53° W Elev: 1030 ft.

NA

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint NA
Visibility NA
Last update *** Not a current observation ***
Detailed forecast for

Northern Somerset

Rest Of Today
Mostly cloudy. A chance of snow late this morning. Snow accumulation up to 1 inch possible. Highs around 18. Northeast winds around 5 mph. Chance of snow 50 percent.
Tonight
Partly cloudy in the evening, then mostly cloudy with snow likely after midnight. Snow accumulation around an inch. Lows around 7 above. Southwest winds around 5 mph. Chance of snow 70 percent.
Christmas Day
Mostly cloudy. Snow likely, mainly in the morning. Snow accumulation around an inch possible. Highs in the lower 20s. West winds 5 to 10 mph, becoming northwest in the afternoon. Chance of snow 60 percent.
Thursday Night
Partly cloudy in the evening, then clearing. Lows around 7 below. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Friday
Sunny. Highs around 8 above. Northwest winds 5 to 10 mph.
Friday Night
Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 10 below.
Saturday
Partly sunny. Highs 10 to 15.
Saturday Night
Partly cloudy in the evening, then clearing. Cold with lows 5 below to zero.
Sunday
Mostly sunny in the morning, then becoming partly sunny. Highs in the lower 20s.
Sunday Night
Mostly cloudy. A chance of snow in the evening, then snow likely after midnight. Lows around 10 above. Chance of snow 70 percent.
Monday
Snow likely. Highs in the lower 20s. Chance of snow 70 percent.
Monday Night
Cloudy with a 50 percent chance of snow. Lows 5 to 10 above.
Tuesday
Mostly cloudy. Highs around 15.



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945 AM EST Wed Dec 24 2025
 
 

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