Weather Warnings for Washington

Issued by the National Weather Service

Current watches, warnings, and advisories for Washington
Alerts Updated: April 16, 2026, 6:17 am  UTC


Freeze Warning issued April 15 at 11:17PM PDT until April 16 at 9:00AM PDT by NWS Seattle WA

Summary: * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Middle Chehalis River Valley, Southern Hood Canal, Lowlands of Lewis and Southern Thurston Counties, Olympia and Southern Puget Sound, and Willapa and Black Hills. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 15, 2026, 11:17 pm      Expires:  April 16, 2026, 9:00 am
Area:  Olympia and Southern Puget Sound; Lowlands of Lewis and Southern Thurston Counties; Middle Chehalis River Valley; Willapa and Black Hills; Southern Hood Canal


Frost Advisory issued April 15 at 11:17PM PDT until April 16 at 9:00AM PDT by NWS Seattle WA

Summary: * 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.
Severity:  Minor    Effective:  April 15, 2026, 11:17 pm      Expires:  April 16, 2026, 9:00 am
Area:  Foothills and Valleys of Pierce and Southern King Counties; Foothills and Valleys of Thurston and Lewis Counties; Lower Chehalis River Valley


Frost Advisory issued April 15 at 11:17PM PDT until April 16 at 9:00AM PDT by NWS Seattle WA

Summary: * WHAT...Temperatures as low as 32 to 36 will result in frost formation. * WHERE...Eastern Kitsap County, Eastern Strait of Juan de Fuca, Foothills of the Western and Southern Olympic Peninsula, Lake Crescent Area Including US 101, Northern Hood Canal, Port Townsend Area, and Lowlands of Pierce and Southern King Counties. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Relatively clear skies, and colder temperatures, will promote frost development early Thursday morning. Isolated freeze conditions are possible in the coldest locations.
Severity:  Minor    Effective:  April 15, 2026, 11:17 pm      Expires:  April 16, 2026, 9:00 am
Area:  Lowlands of Pierce and Southern King Counties; Northern Hood Canal; Eastern Kitsap County; Port Townsend Area; Eastern Strait of Juan de Fuca; Lake Crescent Area Including US 101; Foothills of the Western and Southern Olympic Peninsula


Winter Storm Warning issued April 15 at 10:48PM PDT until April 16 at 5:00AM PDT by NWS Portland OR

Summary: * WHAT...Heavy snow above 2500 ft. Additional snow accumulations up to 2 to 4 inches. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Severity:  Severe    Effective:  April 15, 2026, 10:48 pm      Expires:  April 16, 2026, 5:00 am
Area:  North Oregon Cascades; Cascades of Marion and Linn Counties; Cascades of Lane County; South Washington Cascades


Freeze Warning issued April 15 at 10:13PM PDT until April 16 at 9:00AM PDT by NWS Pendleton OR

Summary: * WHAT...Sub-freezing temperatures as low as 24 expected. * WHERE...In Oregon, Foothills of the Northern Blue Mountains of Oregon. In Washington, Kittitas Valley and Yakima Valley. * WHEN...For the first Freeze Warning, until 9 AM PDT Thursday. For the second Freeze Warning, from 11 PM Thursday to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 15, 2026, 10:13 pm      Expires:  April 16, 2026, 1:00 pm
Area:  Foothills of the Northern Blue Mountains of Oregon; Kittitas Valley; Yakima Valley


Freeze Warning issued April 15 at 10:13PM PDT until April 17 at 9:00AM PDT by NWS Pendleton OR

Summary: * WHAT...Sub-freezing temperatures as low as 24 expected. * WHERE...In Oregon, Foothills of the Northern Blue Mountains of Oregon. In Washington, Kittitas Valley and Yakima Valley. * WHEN...For the first Freeze Warning, until 9 AM PDT Thursday. For the second Freeze Warning, from 11 PM Thursday to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 15, 2026, 10:13 pm      Expires:  April 16, 2026, 1:00 pm
Area:  Foothills of the Northern Blue Mountains of Oregon; Kittitas Valley; Yakima Valley


Freeze Warning issued April 15 at 10:13PM PDT until April 17 at 9:00AM PDT by NWS Pendleton OR

Summary: * WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Lower Columbia Basin of Oregon and Washington. * WHEN...From 11 PM Thursday to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 15, 2026, 10:13 pm      Expires:  April 16, 2026, 1:00 pm
Area:  Lower Columbia Basin of Oregon; Lower Columbia Basin of Washington


Frost Advisory issued April 15 at 9:24PM PDT until April 16 at 9:00AM PDT by NWS Portland OR

Summary: * WHAT...Temperatures of 32 to 36 degrees will result in frost formation. * WHERE...Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, Portland West Hills and Chehalem Mountain, Willapa Hills, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Severity:  Minor    Effective:  April 15, 2026, 9:24 pm      Expires:  April 16, 2026, 9:00 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; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Willapa Hills; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills


Flood Warning issued April 15 at 2:52PM PDT until April 16 at 5:00AM PDT by NWS Spokane WA

Summary: ...The Flood Warning continues for the following rivers in Washington... Stehekin River at Stehekin affecting Chelan County. For the Stehekin River...including Stehekin...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Stehekin River at Stehekin. * WHEN...Until late tonight. * IMPACTS...At 20.5 feet, water inundates some properties and overtops the temporary corduroy bridge. Company Creek Road inundated at northern end. Battalion Creek culverts are beginning to be overtopped. Water begins damaging Wood Road. * ADDITIONAL DETAILS... - At 2:30 PM PDT Wednesday the stage was 20.6 feet. - Bankfull stage is 19.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:30 PM PDT Wednesday was 20.7 feet. - Forecast...The river is forecast to drop below flood stage late tonight. Another rise to flood stage is forecast on April 20th. - Flood stage is 20.5 feet. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 15, 2026, 2:52 pm      Expires:  April 16, 2026, 5:00 am
Area:  Chelan, WA


Freeze Warning issued April 15 at 1:12AM PDT until April 16 at 8:00AM PDT by NWS Spokane WA

Summary: * WHAT...Temperatures as low as 30 degrees expected. * WHERE...Ephrata, Quincy, Entiat, Number 1 Canyon, Wenatchee, Cashmere, Othello, Pangborn Airport, Moses Lake, Chelan, and Number 2 Canyon. * WHEN...From 2 AM to 8 AM PDT Thursday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 15, 2026, 1:12 am      Expires:  April 16, 2026, 8:00 am
Area:  Moses Lake Area; Wenatchee Area


Freeze Warning issued April 15 at 1:12AM PDT until April 16 at 8:00AM PDT by NWS Spokane WA

Summary: * WHAT...Temperatures as low as 28 degrees expected. * WHERE...Creston, Coulee City, Ritzville, Wilbur, Harrington, Grand Coulee, and Odessa. * WHEN...From 2 AM to 8 AM PDT Thursday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 15, 2026, 1:12 am      Expires:  April 16, 2026, 8:00 am
Area:  Upper Columbia Basin