Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

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Last Map Update: Thu, Nov 13, 2025 at 4:22:11 pm PST

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Winter Storm Warning

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Winter Weather Advisory

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Hazardous Marine Conditions

Hazardous Beach Conditions

Widespread hazardous marine conditions will develop this afternoon and continue through tomorrow afternoon. Widespread southerly winds with gale force to storm force gusts are expected with rough to very rough seas for the inner waters and outer waters.

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Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

NWS Forecast Office San Francisco, CA