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: Wed, Dec 24, 2025 at 2:22:25 am PST

Heads up, everybody! There are increasing chances for freezing rain in the Waterville Plateau tomorrow morning. With freezing rain, icy and slick roads have the potential to impact the morning commute. A Winter Weather Advisory has been issued from 3-9am tomorrow.
This week's weather will feature periodic mountain snow and lowland rain and snow each day. Breezy conditions are also forecast heading into Wednesday and again for Friday.
High wind warning in effect from 7 AM to 2 PM Wednesday. Wind gust of 50 to 60 mph are forecast, with localized gusts to 70 mph possible. Damaging wind gusts and localized power outages possible.

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