Frost Advisory
Status
Event Continued Active alertStart Time
Sat 04/04/2026 08:46 AM EDTEnd Time
Sat 04/04/2026 12:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
McCleary, WA ∙ Vail, WA ∙ Fords Prairie, WA ∙ Glenoma, WA ∙ Boston Harbor, WA ∙ Aberdeen Gardens, WA ∙ Elma, WA ∙ Tanglewilde, WA ∙ Boistfort, WA ∙ Mayfield Lake, WAFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Seattle WA 546 AM PDT Sat Apr 4 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Temperatures as low as 32 to 36 degrees will result in frost formation. * WHERE...Lower Chehalis River Valley, Middle Chehalis River Valley, Foothills and Valleys of Thurston and Lewis Counties, Lowlands of Lewis and Southern Thurston Counties, Olympia and Southern Puget Sound, 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
WAZ309-317>320-332-041600- /O.CON.KSEW.FR.Y.0002.000000T0000Z-260404T1600Z/ Foothills and Valleys of Thurston and Lewis Counties-Olympia and Southern Puget Sound-Lowlands of Lewis and Southern Thurston Counties-Middle Chehalis River Valley-Willapa and Black Hills- Lower Chehalis River Valley- Including Morton, Montesano, Lacey, McCleary, Aberdeen, Pe Ell, Hoquiam, Elma, Fords Prairie, Tumwater, Olympia, Grand Mound, Chehalis, Mossyrock, and Rochester 546 AM PDT Sat Apr 4 2026