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: Sun, Dec 28, 2025 at 9:18:17 am MST

Watches, Warnings & Advisories

National Weather Service Grand Junction, CO

National Weather Service NWS Flagstaff, AZ

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National Weather Service NWS Tucson Arizona

Winter Weather Advisory

Winter Storm Watch

Hazardous Weather Outlook

Snowfall Monday

Much Colder

Temp Outlook

Increasing confidence in light to moderate snowfall accumulations across south central and southwest Chaves County and southern Lincoln County on Monday. Forecast confidence for this snow is low to moderate, so people planning on traveling across this area on Monday should stay tuned to the latest forecasts.