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 3:38:15 pm PST

Watches, Warnings & Advisories

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National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

National Weather Service NWS Flagstaff, AZ

Winter Storm Warning

Avalanche Warning

Winter Weather Advisory

Flood Advisory

Wind Advisory

Flood Watch

Wind Advisory Thursday

Wind Advisory Friday

Projected Precipitation

Snow Amount Probabilities Fri AM Thru Sat AM

Turning Colder

A Wind Advisory is in effect for Central Nevada and parts of Northern Nevada until 7 PM PST Thursday evening. Blowing dust will reduce visibilities at times. Travel will be difficult, particularly for high profile vehicles.

A Wind Advisory is in effect for White Pine County until 7 PM PST Friday evening. Blowing dust will reduce visibilities at times. Travel will be difficult, particularly for high profile vehicles.

A storm system will impact Northern and Central Nevada tonight through Friday night, resulting in periods of precipitation. Snow levels will start at around 6,500 feet tonight, before dropping to about 5,500 feet Friday evening. The majority of this precipitation will fall Friday.

A storm system will impact Northern and Central Nevada Thursday afternoon through Saturday morning, resulting in periods of precipitation. Snow levels will start at around 7,000 feet Thursday afternoon, before dropping to about 5,000 feet Friday evening. The majority of this precipitation will fall Friday. Here are snow amount probabilities for select locations in Northern and Central Nevada from 4 AM PST Friday, December 26th, 2025 until 4 AM PST Saturday, December 27th, 2025.

High temperatures throughout Northern and Central Nevada Saturday afternoon will be six to eight degrees colder than Friday afternoon. Maximum temperatures across Northern and Central Nevada Sunday afternoon will be two to four degrees below normal for this time of year.