Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

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Last Map Update: Tue, Jan 13, 2026 at 10:34:13 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.