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 >

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Last Map Update: Thu, Dec 25, 2025 at 8:00:17 am CST

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Christmas Day

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Unseasonably warm conditions Christmas Day. Cloudy and foggy in the morning, becoming partly cloudy in the afternoon. Some locations could experience dense fog, reducing visibility to 1/4 mile or less Christmas morning.

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

NWS Austin/San Antonio