Dense Fog Advisory

Locations Affected

Seattle, WA ∙ Tacoma, WA ∙ Bellevue, WA ∙ Kent, WA ∙ Renton, WA ∙ Federal Way, WA ∙ Auburn, WA ∙ Lakewood, WA ∙ Redmond, WA ∙ Shoreline, WA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Seattle WA 109 AM PST Wed Dec 31 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Middle Chehalis River Valley, City of Seattle, Eastside, Lowlands of Lewis and Southern Thurston Counties, Lowlands of Pierce and Southern King Counties, Olympia and Southern Puget Sound, and Shoreline / Lynnwood / South Everett Area. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Patchy freezing fog could produce black ice on roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

---