Snow Expected from the Ohio Valley into the Mid-Atlantic; Rain and Thunderstorms in the Southeast

A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next several days. Read More >

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Last Map Update: Wed, Feb 4, 2026 at 12:38:19 am PST

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Dense Fog Advisory

Special Weather Statement

Air Quality Alert

Air Stagnation Advisory

Dense Fog becoming more widespread overnight

Patchy dense fog, with visibility around one quarter mile, was observed on road cameras and reported by weather stations this afternoon. This patchy dense fog has the potential to expand in areal coverage heading into the evening hours, and especially overnight into Wednesday morning. Motorists should be aware that dense fog reducing visibility to one quarter of a mile could become widespread This Evening.