fra: 02.04.2026, 23:00
til: 03.04.2026, 04:00

* 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.