NWS Sacramento Briefing

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 >

and are prepared only when impactful weather is expected.

Last Update: Wed Dec 24 06:48:31 PST 2025

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

Note: Briefings are normally updated once a day between 7AM and 10AM

and are prepared only when impactful weather is expected.

Last Update: Wed Dec 24 06:48:31 PST 2025

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