Weather Alerts For West Seattle, WA

# HEADLINE -------------------- DENSE FOG ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM PST SUNDAY # DETAILS -------------------- WHAT Visibility one quarter mile or less in dense fog. WHERE Eastern Kitsap County, City of Seattle, Downtown Everett / Marysville Area, 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 From 1 AM to 10 AM PST Sunday. IMPACTS Low visibility could make driving conditions hazardous. ADDITIONAL DETAILS Dense fog is expected to develop tonight and continue into Sunday morning for areas of Puget Sound. Localized freezing fog may also occur as temperatures fall into the 30s for many locations. ISSUED AT Saturday, October 31, 2026 at 8:29 PM PDT ISSUED BY National Weather Service Seattle WA HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- If driving, slow down, use your headlights, and leave plenty of distance ahead of you. # AREAS AFFECTED -------------------- City of Seattle, Downtown Everett / Marysville Area, Eastern Kitsap County, Eastside, Lowlands of Lewis and Southern Thurston Counties, Lowlands of Pierce and Southern King Counties, Olympia and Southern Puget Sound, Shoreline / Lynnwood / South Everett Area Including Tacoma, Renton, Chehalis, Redmond, Olympia, Silverdale, Mercer Island, Federal Way, Kent, Edmonds, Lynnwood, Richmond Highlands, Kirkland, Kenmore, Bothell, Rochester, Lake Stevens, Bremerton, Marysville, Newport Hills, Kingsgate, Lacey, Tumwater, Seattle, Snohomish, Grand Mound, Everett, and Fords Prairie