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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Note: These maps will normally be updated by Noon Central Time each day. Data is from West Texas Mesonet, Oklahoma Mesonet, the local Cooperative Observer Network, CoCoRaHS (Community Collaborative Rain, Hail and Snow Network) and ASOS (Automated Surface Observing System) sites.

 

 

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