Washington Moderate Heat Advisory | Effective 07/22/2026 22:43

Headline: 
Heat Advisory issued July 22 at 10:43PM PDT until July 22 at 11:00PM PDT by NWS Seattle WA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 22, 2026 - 10:43pm
Expires: 
July 22, 2026 - 11:45pm
Description: 
Temperatures will continue to cool tonight into Thursday, with HeatRisk decreasing to minor or yellow levels. Therefore the advisory will expire at 11 PM this evening.
Area Description: 
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; Foothills and Valleys of Thurston and Lewis 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; Olympia and Southern Puget Sound; Lowlands of Lewis and Southern Thurston Counties; Middle Chehalis River Valley; Southern Hood Canal; Northern Hood Canal; Eastern Kitsap County; Port Townsend Area; Eastern Strait of Juan de Fuca; Lake Crescent Area Including US 101; Foothills of the Western and Southern Olympic Peninsula
Forcast Office: 
NWS Seattle WA