National Weather Service United States Department of Commerce

Rain and Thunderstorms in the Southeast; A Wintry Mix in the Southern Mid-Atlantic

A frontal system is expected to bring showers and thunderstorms along the Gulf Coast and Southeast, and some snow and/or freezing rain/drizzle over the southern Mid-Atlantic into the morning. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next couple of days. Read More >

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Last Map Update: Wed, Feb 4, 2026 at 11:42:30 am PST

High to Very High Transportation Risk will continue through the week. Visibility will be near zero at times. Dangerous fog can move in quickly, before you have time to react, drive carefully or make other plans.
(Updated graphic 1:40 PM Tuesday, February 3, 2026) A Dense Fog Advisory in effect from until Noon PST Thursday 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 for the remainder of this week, although partial clearing will occur in the afternoons and early evenings.
60%-70% Probability for Wind Gusts to 40 mph or greater. Caution for high profile vehicles traveling over Tejon Pass and through the Grapevine.
Consider other travel plans, alternate routes. Switch from AUTO to LOW BEAMS. Leave plenty of distance between vehicles. If you can’t continue, drive to a safe place, instead of the side of the highway. These are the probabilities for 1/8th of a mile or less Wednesday Morning February 4th.

 

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