Heat Advisory
Status
Event Continued Active alertStart Time
Fri 08/22/2025 02:00 PM EDTEnd Time
Tue 08/26/2025 08:00 AM EDTSignificance
AdvisoryImpacts
Low impact
Full Alert Message
URGENT - WEATHER MESSAGE National Weather Service Seattle WA 246 AM PDT Fri Aug 22 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM PDT TUESDAY... * WHAT...Hot conditions with high temperatures ranging from the mid 80s to 90s expected and low temperatures mostly in the 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...From 11 AM this morning to 5 AM PDT Tuesday. * 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
WAZ310>323-329-230015- /O.CON.KSEW.HT.Y.0005.250822T1800Z-250826T1200Z/ 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-Olympia and Southern Puget Sound-Lowlands of Lewis and Southern Thurston Counties-Middle Chehalis River Valley-Willapa and Black Hills- Southern Hood Canal-Northern Hood Canal-Eastern Kitsap County- Foothills of the Western and Southern Olympic Peninsula- Including Richmond Highlands, Montesano, Burlington, Seabeck, Seattle, McCleary, Federal Way, Bellingham, Marysville, Newport Hills, Leland, Port Ludlow, Amanda Park, Tacoma, Lake Stevens, Olympia, Fords Prairie, Redmond, Holly, Renton, Elma, Forks, Brinnon, Chehalis, Kirkland, Humptulips, Sedro-Woolley, Mercer Island, Tumwater, Anacortes, Edmonds, Everett, Grand Mound, Kenmore, Bremerton, Quilcene, Snohomish, Mount Vernon, Bothell, Skokomish, Lynnwood, Beaver, Lacey, Rochester, Kingsgate, Kent, Grisdale, Quinault, Pe Ell, Clearwater, and Silverdale 246 AM PDT Fri Aug 22 2025