Red Bluff ASOS Down for Maintenance starting March 5th

The Red Bluff ASOS (Automated Surface Observing System) site will be out of service beginning March 5th due to the installation of a new ASOS unit and will be down for at least a week or longer. This will mean that no surface observations or climate products will be available during the down time. Updates will be posted when a return to service date can be determined. Read More >

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Last Map Update: Tue, Mar 11, 2025 at 12:00:12 am PDT

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

Gale Warning

Winter Weather Advisory

Small Craft Advisory

Wind Advisory

Winter Storm Watch

Gale Watch

High Wind Watch

Storm Timeline

Snow Forecast

Rain Forecast

Wind Forecast

Winter Safety

Storm timeline for March 10-17, 2025. A strong weather system will bring widespread moderate to heavy precipitation, heavy mountain snow, and gusty winds Wednesday-Thursday. Additional waves of precipitation will bring Valley rain, mountain snow, and gusty winds late week through next weekend.

Strong winter storm will bring heavy mountain snow Wednesday-Thursday. Be prepared for difficult travel conditions from snow covered roads, and low visibility due to a combination of wind and heavy snow.

A strong winter storm will bring widespread moderate to heavy precipitation Wednesday - Thursday. Be prepared for slick roads, ponding of water on roadways and risk of mud/rock slides in the foothills.