Frost Advisory
Status
Event Extended (Area) Active alertStart Time
Thu 04/09/2026 06:52 AM EDTEnd Time
Thu 04/09/2026 12:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Full Alert Message
URGENT - WEATHER MESSAGE National Weather Service Seattle WA 352 AM PDT Thu Apr 9 2026 ...FROST ADVISORY IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Temperatures as low as 32 to 36 will result in frost formation. * WHERE...Eastern Strait of Juan de Fuca, Foothills and Valleys of the North Cascades, Foothills of the Western and Southern Olympic Peninsula, Lake Crescent Area Including US 101, Lowlands of Western Whatcom County, Foothills and Valleys of Central King County, Foothills and Valleys of Snohomish and Northern King Counties, and Willapa and Black Hills. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold.
Technical Header
WAZ305>307-310-320-325-327-329-091600- /O.EXA.KSEW.FR.Y.0004.000000T0000Z-260409T1600Z/ Foothills and Valleys of the North Cascades-Foothills and Valleys of Snohomish and Northern King Counties-Foothills and Valleys of Central King County-Lowlands of Western Whatcom County-Willapa and Black Hills-Eastern Strait of Juan de Fuca-Lake Crescent Area Including US 101-Foothills of the Western and Southern Olympic Peninsula- Including Duvall, Clearwater, Darrington, Amanda Park, Forks, Sahalee, Sequim, Monroe, Pine Lake, North Bend, Grisdale, Beaver, Humptulips, Granite Falls, Bellingham, Sudden Valley, Pe Ell, Eastgate, Mirrormont, and Quinault 352 AM PDT Thu Apr 9 2026
