Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

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Last Map Update: Tue, Dec 30, 2025 at 8:00:11 pm PST

Watches, Warnings & Advisories

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Coastal Flood Advisory

Winter Storm Watch

Coastal Flood Watch

Hydrologic Outlook

Coastal Flood Advisory

Friday Wind Gust Potential

A Coastal Flood Advisory has been issued and will go into effect 5 AM Wednesday and end at 2 PM Sunday for the Pacific Coast and Bay Shorelines. Up to 1.8 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways.

Southerly winds are forecast to increase across the region on Friday. There are medium (40-70%) to high (70-100%) probabilities of wind gusts above 40 mph. These probabilities are greatest along the coast and areas of higher terrain. Make sure to secure your loose outdoor items and be cautious when driving high profile vehicles during this time.

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Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

NWS Forecast Office San Francisco, CA