Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

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Last Map Update: Wed, Jan 14, 2026 at 5:26:45 pm PST

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Dense Fog Advisory

Air Stagnation Advisory

High Pressure This Week

Stagnation

The Inland NW is heading into a stable weather pattern this week under a strong upper-level ridge. This will result in dry conditions, light winds, and persistent inversions. Areas of low clouds and fog will become common in the lowlands while the higher elevations experience increasing sunshine.