Frost Advisory

Locations Affected

Chehalis Village, WA ∙ Yelm, WA ∙ Chehalis, WA ∙ Packwood, WA ∙ Matlock, WA ∙ Bucoda, WA ∙ Malone, WA ∙ Nisqually, WA ∙ Adna, WA ∙ Mossyrock, WA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Seattle WA 535 PM PDT Thu Apr 2 2026 ...FROST ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT FRIDAY... * WHAT...Temperatures as low as 32 to 36 degrees will result in frost formation. * WHERE...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...From 11 PM this evening to 9 AM PDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Locations away from the water will see cooler temperatures, with an increased risk of frost formation Friday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold.

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