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: Wed, Dec 24, 2025 at 1:08:40 pm MST

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List of New Record Highs for Tuesday, December 23

Who's getting tired of record warmth in December?? We have increasing confidence in a fairly strong cold front moving in for early next week. It may even bring in a chance for some precipitation.

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

NWS El Paso