Rare Southern U.S. Winter Storm; Dangerous Cold Weather For Much of the Eastern U.S.; Critical Fire Weather for Southern California

A rare winter storm impacting the Southern U.S. will move offshore Wednesday morning. Behind the storm, arctic air will continue encompassing the eastern two-thirds of the Nation with only a slow return to normal temperatures expected by the end of the week. Moderate to strong Santa Ana winds and low humidity will maintain Critical fire weather conditions in southern California into Thursday. Read More >

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Last Map Update: Wed, Jan 22, 2025 at 12:04:13 am PST

Watches, Warnings & Advisories

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Freeze Warning

Cold Weather Advisory

Small Craft Advisory

Wind Advisory

Frost Advisory

Freeze and Frost

A Freeze Warning and a Frost Advisory will be in effect from 12 AM to 10 AM Wednesday morning due to temperatures in the upper 20s to the middle 30s, causing hazardous conditions for unsheltered populations and those without access to adequate heating. The North Bay Valleys and Southern Salinas Valley will fall under a Freeze Warning, while a Frost Advisory will come into effect for the Interior East Bay, the Santa Clara Valley, the eastern Santa Clara Hills, the northern Salinas Valley, the Hollister Valley, interior Monterey and San Benito Counties, and the Santa Lucia range. Protect people, plants, pets, and pipes!