Tornado Outbreak Expected Today in the Central U.S. Followed by Multi-Day Heavy Rainfall Event

A tornado outbreak is expected today and tonight from parts of the lower Mississippi Valley into the Mid-South and lower Ohio Valley. Numerous tornadoes, along with multiple long-track EF3+ tornadoes, appear likely. A multi-day, potentially historic heavy rainfall event may produce catastrophic and life-threatening flooding today through Saturday from the Ozarks into the Ohio River Valley. Read More >

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Last Map Update: Wed, Apr 2, 2025 at 5:20:24 am PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

Freeze Warning

Small Craft Advisory

Frost Advisory

Chilly Wednesday Morning

Frost and freeze conditions will occur tonight into Wednesday morning across many interior valley locations, especially for interior Mendocino and Lake counties. Protect tender plants, provide adequate shelter for pets, and take steps to prevent outdoor water pipes from freezing and bursting.