Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

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Last Map Update: Tue, Jan 20, 2026 at 5:16:18 pm PST

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Dense Fog Advisory

Small Craft Advisory

Beach Hazards Statement

Hazardous Seas Watch

Morning Fog

8-14 Precipitation Outlook

8-14 Temperature Outlook

Areas of morning fog are expected to develop across portions of the Delta, Sacramento Valley, and northern San Joaquin Valley. Keep these tips in mind if you encounter any fog.