Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Temperatures will tie or break many records across the Southeast through tonight. Moderate to heavy lake effect snow will continue downwind of the Great Lakes. Gusty winds and dry conditions will support an elevated fire weather threat across the Central Gulf Coast. Read More >

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Last Map Update: Mon, Nov 10, 2025 at 2:20:20 pm PST

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Winter Storm Watch

High Wind Watch

Storm Mid to Late Week

Unseasonably warm and dry conditions with light, terrain-driven winds will continue through Tuesday. Monday will be the peak of the warmth, with a strong possibility of record-breaking high temperatures. Enjoy this quiet weather, as a pattern change is expected mid-week. A storm system will end the quiet weather, with impacts expected from Wednesday PM through Friday. Primary impacts will be strong winds, valley rain, and Sierra snow. The peak of the storm currently looks to be on Thursday. Moderate uncertainty remains, especially regarding the exact strength of the winds and how low snow levels will fall.

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Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

NWS Forecast Office Reno, NV