Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Jan 1, 2026 at 11:02:50 am PST

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Gale Warning

Winter Weather Advisory

Coastal Flood Advisory

Small Craft Advisory

Wind Advisory

Winter Storm Watch

Gale Watch

Flood Watch

Coastal Flood Watch

High Wind Watch

Hydrologic Outlook

Winter Storm Watch

Snow Forecast

Rain Forecast

Before You Travel

Winter Storm Watch in effect from Friday Afternoon to Sunday Morning for up to 1-3 feet above 5500 feet. Southwest gusts up to 45 mph with locally higher snow amounts over higher terrain. Reductions in visibilities at times Travel delays and chain controls likely Travel is discouraged Monitor Caltrans QuickMap for road conditions