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 8:12:19 am 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

Air Quality Alert

Air Stagnation Advisory

Weekly Outlook

Quiet weather with dry conditions continue for the upcoming week. Light winds and valley inversions will persist with areas of freezing fog near Truckee and around Mono Lake. A weak disturbance may provide low chances (10-15%) of light showers along the Eastern Sierra Thursday-Friday.