Arctic Air Bringing Cold Temperatures to the Eastern Half of the U.S.; Strong Clipper System Wednesday and Thursday

Arctic air will continue below normal temperatures across the eastern half of the U.S. through today. A strengthening clipper storm will track north of the Great Lakes midweek with a widespread snow and gusty to strong winds through the region and into the Northeast U.S. followed by some lake effect snow. Read More >

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Last Map Update: Tue, Dec 3, 2024 at 6:46:28 pm PST

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Dense Fog Advisory

Freezing Fog Advisory

Air Stagnation Advisory

Freezing Fog

Active Weekend Weather

Freezing fog across the Southern Blue Mountain Foothills, and North central and Central Oregon, will produce slick surfaces and lower visibility through at least Wednesday morning. Visibilities as low as one quarter mile or less are anticipated. If traveling, be prepared for sudden changes in visibility and use low-beam headlights.

Get the umbrella ready for this weekend! ☔ The weather pattern is changing over the weekend. Temperatures will trend to slightly above normal as we head towards the weekend. The basin will see increased rain chances going into Saturday before temperatures cool again going into Sunday. Afterwards, we will see some snow accumulations of up to 4" over the passes.