National Weather Service United States Department of Commerce

Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

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Last Map Update: Sun, Feb 1, 2026 at 1:26:20 am PST

High to Very High Transportation Risk will continue through this weekend. Visibility will be zero at times. Dangerous fog can move in quickly, before you have time to react, drive carefully or make other plans.
A Dense Fog Advisory in effect until Noon Sunday across the San Joaquin Valley. Very High Transportation Risk due to visibility likely dropping to less than 200 feet and as low as zero. Use caution while driving by slowing down, manually turning on head lights, and keep your distance from other vehicles. Also, there is high confidence that dense fog will redevelop each night and morning through the weekend into next week.

 

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