National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >

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Last Map Update: Mon, Dec 29, 2025 at 3:32:20 am MST

Sunny skies and dry conditions will prevail through Wednesday with near to slightly above normal temperatures. Expect breezy northeast winds through Monday, then lighter winds through the week. Chances for rain and snow showers return later Wednesday through Thursday.

 

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