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Heat Advisory

Status

Event Continued Active alert

Start Time

Wed 06/24/2026 10:23 AM EDT

End Time

Thu 06/25/2026 02:00 AM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Seattle, WA ∙ Tacoma, WA ∙ Bellevue, WA ∙ Kent, WA ∙ Everett, WA ∙ Renton, WA ∙ Federal Way, WA ∙ Auburn, WA ∙ Lakewood, WA ∙ Marysville, WA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Seattle WA 723 AM PDT Wed Jun 24 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...Warm conditions with high temperatures in the in the 80s and lows in the mid 50s to mid 60s. This will pose a moderate risk of heat-related illness. * WHERE...Eastern Kitsap County, City of Seattle, Downtown Everett / Marysville Area, Eastside, Foothills and Valleys of Central King County, Foothills and Valleys of Pierce and Southern King Counties, Foothills and Valleys of Snohomish and Northern King Counties, Lowlands of Pierce and Southern King Counties, and Shoreline / Lynnwood / South Everett Area. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Heat will significantly increase the risk of heat-related illnesses for those who are sensitive to heat, especially those without effective cooling or adequate hydration. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit wa211.org anytime.

Technical Header

WAZ306>308-312>316-323-242300- /O.CON.KSEW.HT.Y.0002.000000T0000Z-260625T0600Z/ 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-Downtown Everett / Marysville Area-Shoreline / Lynnwood / South Everett Area- Eastside-City of Seattle-Lowlands of Pierce and Southern King Counties-Eastern Kitsap County- Including Seattle, Maple Valley, Federal Way, North Bend, Sahalee, Snohomish, Lea Hill, Kingsgate, Newport Hills, Richmond Highlands, Silverdale, Prairie Ridge, Redmond, Eastgate, Bothell, Kent, Kenmore, Mercer Island, Lynnwood, Lake Stevens, Kirkland, Marysville, Duvall, Covington-Sawyer-w, Edmonds, Bremerton, Renton, Everett, Mirrormont, South Hill, Pine Lake, Enumclaw, Elk Plain, Monroe, and Tacoma 723 AM PDT Wed Jun 24 2026