Active Weather Alerts
Dense Fog Advisory
Issued: 9:09 AM Dec. 31, 2025 – National Weather Service
...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. &&
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