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: Fri, Dec 26, 2025 at 5:44:40 am EST

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Foggy mornings will give way to warm and sunny afternoons each day through the upcoming weekend. This pattern will hold until early next week when a cold front brings much cooler air into the area.

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

NWS Forecast Office Tampa Bay Area, FL