Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

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Last Map Update: Tue, Jan 27, 2026 at 9:32:18 am PST

Watches, Warnings & Advisories

National Weather Service San Francisco Bay Area, CA

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National Weather Service Los Angeles, CA

Dense Fog Advisory

Beach Hazards Statement

High Transportation Risk in Dense Fog

A Dense Fog Advisory is in effect for most of the San Joaquin Valley has been issued from Midnight APM PST Tonight until 11 AM PST Tuesday morning, resulting in a high transportation risk. Visibility in dense fog will be reduced to 800 feet or less. Highways affected include, but are not limited to Highway 198, Highway 43, Highway 180, Highway 41, Interstate 5 from Lost Hills southward, and Highway 99.

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Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

NWS Forecast Office Hanford, CA