Issue date: 2026-04-16T06:17+00:00
* WHAT...Temperatures as low as 32 to 36 will result in frost formation. * WHERE...Lower Chehalis River Valley, Foothills and Valleys of Pierce and Southern King Counties, and Foothills and Valleys of Thurston and Lewis Counties. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.