Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

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Last Map Update: Tue, Feb 4, 2025 at 8:52:14 pm PST

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Winter Storm Warning

Avalanche Warning

Flood Warning

Winter Weather Advisory

Flood Advisory

Small Craft Advisory

Wind Advisory

Frost Advisory

Winter Storm Watch

Flood Watch

Winter Storm Warning

Winter Storm Watch

Wind Advisory

Areal Flood Warning

⚠❄ Winter Storm Warning in effect for the Sierra. Travel could be very difficult to impossible, especially over passes. Hazardous conditions could impact the Monday PM & Tuesday AM commutes while very strong winds could cause extensive damage to trees & power lines.

A winter storm watch has been issued for the next in a series of winter storms on Thursday through Friday morning. Widespread snowfall impacts are likely across the Sierra with 1 to 3 feet of snow possible on Sierra passes across the Tahoe Basin and 1 to 2 feet along the Sierra crest in Mono County. Travel is discouraged, especially in the Sierra. Details on winter hazards: https://forecast.weather.gov/product.php?site=rev&issuedby=REV&product=WSW.

A Wind Advisory in effect 10 AM through 10 PM Tuesday for much of western Nevada, including the Greater Reno-Carson City-Minden area.

We have issued an Areal Flood Warning for locations adjacent to the Pit river in NW Lassen County. Flooding impacts on smaller creeks and tributaries are possible this evening with impacts on the main stem of the Pit downstream of Canby Tuesday through Thursday.