Weather Warnings for Washington

Issued by the National Weather Service

Current watches, warnings, and advisories for Washington
Alerts Updated: April 3, 2026, 3:00 am  UTC


Frost Advisory issued April 2 at 5:35PM PDT until April 3 at 9:00AM PDT by NWS Seattle WA

Summary: * 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.
Severity:  Minor    Effective:  April 2, 2026, 5:35 pm      Expires:  April 3, 2026, 4:00 am
Area:  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


Frost Advisory issued April 2 at 12:46PM PDT until April 3 at 10:00AM PDT by NWS Portland OR

Summary: * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Northern and Central Coast Range Valleys and Mountains of Oregon, Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, Central Willamette Valley, Tualatin Valley, West Columbia River Gorge of Oregon above 500 ft, Clackamas County Cascade Foothills, Willapa Hills, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 9 PM this evening to 10 AM PDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Areas that remain shaded through the morning will see frost linger the longest.
Severity:  Minor    Effective:  April 2, 2026, 12:46 pm      Expires:  April 3, 2026, 1:00 am
Area:  North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; North Oregon Coast Range; Central Oregon Coast Range; Lower Columbia River; Tualatin Valley; West Hills and Chehalem Mountains; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; West Columbia River Gorge of Oregon above 500 ft; Clackamas County Cascade Foothills; Willapa Hills; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills


Flood Warning issued March 29 at 2:11PM PDT until April 5 at 8:30AM PDT by NWS Spokane WA

Summary: * WHAT...Flooding caused by snowmelt continues for the lower Stehekin Valley. * WHERE...A portion of North Central Washington, including the following county, Chelan. * WHEN...Until further notice. * IMPACTS...When the Stehekin River gauge hits 19.3 feet, water breaches the river bank. At 20 feet, water inundates some properties and overtops the temporary corduroy bridge. Company Creek Road begins to flood in places at the northern end and Battalion Creek culverts are beginning to be overtopped. At 20.5 feet, water begins to damage Wood Road. * ADDITIONAL DETAILS... - At 208 PM PDT, Snowmelt continues to contribute to high floods and flooding on the Stehekin River. - Little precipitation over the past couple of days has allowed the Stehekin River to slowly recede. This trend will continue through the week, but it is forecasted to remain near or above 20 feet until further notice. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 29, 2026, 2:11 pm      Expires:  April 5, 2026, 8:30 am
Area:  Chelan, WA