Expires:202507180400;Remove:202507180400;629644 WWUS76 KSEW 180247 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 747 PM PDT Thu Jul 17 2025 WAZ305>308-310>316-180400- /O.EXP.KSEW.HT.Y.0003.000000T0000Z-250718T0300Z/ Foothills and Valleys of the North Cascades-Foothills and Valleys of Snohomish and Northern King Counties-Foothills and Valleys of Central King County-Foothills and Valleys of Pierce and Southern King Counties-Lowlands of Western Whatcom County-Lowlands of Western Skagit and Northwestern Snohomish Counties-Downtown Everett / Marysville Area-Shoreline / Lynnwood / South Everett Area-Eastside-City of Seattle-Lowlands of Pierce and Southern King Counties- Including Everett, Kirkland, Tacoma, Lea Hill, Anacortes, Sudden Valley, Covington-Sawyer-w, Bellingham, Darrington, Kent, Eastgate, Renton, Mount Vernon, Elk Plain, Sedro-Woolley, Prairie Ridge, Newport Hills, South Hill, Bothell, Snohomish, Redmond, Monroe, Kingsgate, Maple Valley, Kenmore, Lake Stevens, Federal Way, North Bend, Edmonds, Richmond Highlands, Enumclaw, Duvall, Sahalee, Granite Falls, Mirrormont, Seattle, Mercer Island, Pine Lake, Marysville, Lynnwood, and Burlington 747 PM PDT Thu Jul 17 2025 ...HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING... Increasing onshore flow will help cool temperatures overnight, providing relief from the heat. Daytime temperatures will be cooler on Friday. $$