Weather Warnings for Washington

Issued by the National Weather Service

Current watches, warnings, and advisories for Washington
Alerts Updated: March 20, 2026, 7:15 pm  UTC


Flood Warning issued March 20 at 10:30AM PDT until March 21 at 4:06AM PDT by NWS Seattle WA

Summary: ...The Flood Warning continues for the following rivers in Washington... Tolt River Above Carnation affecting King County. .Additional rain over the Central Cascades will push the Tolt river above flood stage again this morning. Rain will begin to taper off this afternoon. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Tolt River above Carnation. * WHEN...Until late tonight. * IMPACTS...At 5,000.0 cfs, the Tolt River will flood Tolt River Rd NE and many driveways. Some homes in the San Souci area could be inaccessible due to deep and quick flood waters. This river level on the Tolt corresponds to a phase 3 flood in the King County flood system. * ADDITIONAL DETAILS... - At 9:15 AM PDT Friday the flow was 5,280.0 cfs. - Flood flow is 5,000.0 cfs. - Recent Activity...The maximum river flow in the 24 hours ending at 9:15 AM PDT Friday was 5,630.0 cfs. - Forecast...The river is expected to rise to a crest of 5,339.9 cfs late this morning. It will then fall below flood stage late this evening. - Flood History...This crest compares to a previous crest of 5,290.0 cfs on 01/15/1961. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 10:30 am      Expires:  March 20, 2026, 6:30 pm
Area:  King, WA


Flood Warning issued March 20 at 10:25AM PDT until March 21 at 5:00AM PDT by NWS Seattle WA

Summary: ...The Flood Warning continues for the following rivers in Washington... Snoqualmie River Near Snoqualmie Falls affecting King County. .Rain will continue into the early afternoon before beginning to taper off. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Snoqualmie River near Snoqualmie Falls. * WHEN...Until late tonight. * IMPACTS...At 20,000.0 cfs, the Snoqualmie River will cause widespread flooding of pasture lands and roads along the river from the town of Snoqualmie downstream through Fall City. Roads that may become flooded include Fall City-Carnation...Tolt Hill... and Novelty Flats Roads. This river level on the Snoqualmie corresponds roughly to a phase 3 flood in the King County flood system. * ADDITIONAL DETAILS... - At 9:00 AM PDT Friday the flow was 22,900.0 cfs. - Flood flow is 20,000.0 cfs. - Recent Activity...The maximum river flow in the 24 hours ending at 9:00 AM PDT Friday was 23,300.0 cfs. - Forecast...The river is expected to rise to a crest of 25,263.6 cfs late this morning. It will then fall below flood stage just after midnight tonight. - Flood History...This crest compares to a previous crest of 24,400.0 cfs on 01/31/2003. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 10:25 am      Expires:  March 20, 2026, 6:30 pm
Area:  King, WA


Flood Warning issued March 20 at 10:17AM PDT until March 22 at 4:17PM PDT by NWS Seattle WA

Summary: ...Forecast flooding changed from Moderate to Major severity and increased in duration for the following rivers in Washington... Snohomish River At Snohomish affecting Snohomish County. .Rain will continue into the early afternoon before tapering off, but the river will still experience elevated flows. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Snohomish River at Snohomish. * WHEN...Until Sunday afternoon. * IMPACTS...At 30.0 feet, the Snohomish River will flood low farm lands and several roads...including Riverview Rd and the Snohomish-Monroe highway. Hide tidal levels could worsen flooding on the lower delta and Ebey Island. Levees may be damaged. Berms start overtopping at this level. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. This stage on the Snohomish River corresponds to a Phase 4 in the Snohomish County flood program. * ADDITIONAL DETAILS... - At 9:00 AM PDT Friday the stage was 28.0 feet. - Flood stage is 25.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM PDT Friday was 28.0 feet. - Forecast...The river will rise to 30.5 feet late tonight. It will then fall below flood stage early Sunday morning to 18.4 feet Monday morning. It will rise to 18.6 feet late Monday morning. It will then fall to 16.0 feet Monday evening. - Flood History...This crest compares to a previous crest of 30.4 feet on 01/17/1974. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 10:17 am      Expires:  March 20, 2026, 6:30 pm
Area:  Snohomish, WA


Flood Warning issued March 20 at 10:14AM PDT until March 21 at 11:27PM PDT by NWS Seattle WA

Summary: ...The Flood Warning is extended for the following rivers in Washington... Skagit River Near Concrete affecting Skagit County. .Additional rain over the Northern Cascades today will push the Skagit River at Concrete above flood stage later today. * WHAT...Moderate flooding is forecast. * WHERE...Skagit River near Concrete. * WHEN...Until late tomorrow evening. * ADDITIONAL DETAILS... - At 10:00 AM PDT Friday the stage was 27.9 feet. - Flood stage is 28.0 feet. - Forecast...The river is expected to rise above flood stage late this morning to a crest of 32.0 feet late this evening. It will then fall below flood stage late tomorrow morning. - Flood History...This crest compares to a previous crest of 31.4 feet on 10/28/1967. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 10:14 am      Expires:  March 20, 2026, 6:15 pm
Area:  Skagit, WA


Flood Warning issued March 20 at 10:05AM PDT until March 20 at 11:00PM PDT by NWS Seattle WA

Summary: ...The National Weather Service in Seattle WA has issued a Flood Warning for the following rivers in Washington... Skokomish River At Potlatch affecting Mason County. .Rain will continue in the area through the rest of the morning and into early afternoon before tapering off. * WHAT...Minor flooding is forecast. * WHERE...Skokomish River at Potlatch. * WHEN...Until late this evening. * IMPACTS...At 16.5 feet, the Skokomish River will cause widespread flooding of pasture lands, with water flowing quickly over West Bourgault Road and Skokomish Valley Road. * ADDITIONAL DETAILS... - At 9:30 AM PDT Friday the stage was 16.0 feet. - Flood stage is 16.5 feet. - Forecast...The river will rise above flood stage this afternoon to 16.7. It will then fall below flood stage late this evening. - Flood History...This crest compares to a previous crest of 16.7 feet on 01/04/2003. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 10:05 am      Expires:  March 20, 2026, 6:15 pm
Area:  Mason, WA


Flood Warning issued March 20 at 9:48AM PDT until March 22 at 4:17AM PDT by NWS Seattle WA

Summary: ...The Flood Warning is extended for the following rivers in Washington... Snoqualmie River Near Carnation affecting King County. .Rain will continue early this afternoon before beginning to taper off. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Snoqualmie River near Carnation. * WHEN...Until early Sunday morning. * IMPACTS...At 56.0 feet, the Snoqualmie River will cause widespread flooding from Fall City downstream through Carnation and Duvall... inundating much of the farm land and numerous roads. * ADDITIONAL DETAILS... - At 8:15 AM PDT Friday the stage was 56.4 feet. - Flood stage is 54.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:15 AM PDT Friday was 56.4 feet. - Forecast...The river is expected to rise to a crest of 57.3 feet late this evening. It will then fall below flood stage tomorrow afternoon. - Flood History...This crest compares to a previous crest of 57.2 feet on 11/19/2003. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 9:48 am      Expires:  March 20, 2026, 6:00 pm
Area:  King, WA


Flood Warning issued March 20 at 9:28AM PDT until March 20 at 11:00PM PDT by NWS Seattle WA

Summary: ...The National Weather Service in Seattle WA has issued a Flood Warning for the following rivers in Washington... Samish River At Burlington affecting Skagit County. .Continued rainfall is expected over the area for the rest of this morning into early afternoon before tapering off. A rise into minor flood stage is expected this afternoon. * WHAT...Minor flooding is forecast. * WHERE...Samish River at Burlington. * WHEN...Until late this evening. * IMPACTS...At 3,000.0 cfs, the Samish River will spill over its banks causing flood waters over Sam Bell Rd., Farm To Market Rd., and Allen Rd. near the town of Allen. Some residences, businesses, and low-lying farm land along the river will also be flooded. * ADDITIONAL DETAILS... - At 8:00 AM PDT Friday the flow was 2,720.0 cfs. - Flood flow is 3,000.0 cfs. - Forecast...The river is expected to rise to minor flood stage this afternoon. It will then fall below flood stage late tonight. - Flood History...This crest compares to a previous crest of 2,980.0 cfs on 12/14/2001. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 9:28 am      Expires:  March 20, 2026, 5:30 pm
Area:  Skagit, WA


Flood Warning issued March 20 at 9:20AM PDT until March 22 at 5:00AM PDT by NWS Seattle WA

Summary: ...The National Weather Service in Seattle WA has issued a Flood Warning for the following rivers in Washington... Skagit River Near Mt. Vernon affecting Skagit County. .Rain will continue through much of the rest of this morning and early afternoon before tapering off, and has lead to increased flows on the Skagit River near Mt. Vernon. * WHAT...Moderate flooding is forecast. * WHERE...Skagit River near Mt. Vernon. * WHEN...From this evening to early Sunday morning. * IMPACTS...At 30.0 feet, the Skagit River will flood from Sedro Woolley downstream through Mount Vernon to the mouth. Flood waters will inundate some low-lying roads...farmlands and residential areas. This level for this location on the Skagit corresponds to a phase 3 flood in the Skagit County flood system. * ADDITIONAL DETAILS... - At 8:15 AM PDT Friday the stage was 26.8 feet. - Flood stage is 28.0 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 31.4 feet tomorrow afternoon. It will then fall below flood stage early Sunday morning. - Flood History...This crest compares to a previous crest of 31.2 feet on 11/11/1989. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 9:20 am      Expires:  March 20, 2026, 5:30 pm
Area:  Skagit, WA


Flood Warning issued March 20 at 8:35AM PDT until March 21 at 2:03PM 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 forecast. * WHERE...Stehekin River at Stehekin. * WHEN...From this morning to early tomorrow afternoon. * IMPACTS...At 24.0 feet, The river may be out of its banks in spots on parts of Stehekin Valley Road and Company Creek Road, especially from Harlequin Bridge to about seven miles upstream. * ADDITIONAL DETAILS... - At 7:30 AM PDT Friday the stage was 23.9 feet. - Bankfull stage is 22.0 feet. - Forecast...The river will rise above flood stage this morning to 25.2 feet late this afternoon. It will then fall below flood stage just after midnight tonight. - Flood stage is 24.0 feet. - Flood History...This crest compares to a previous crest of 25.1 feet on 05/05/2023. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 8:35 am      Expires:  March 20, 2026, 9:00 pm
Area:  Chelan, WA


Flood Warning issued March 20 at 6:34AM PDT until March 21 at 8:39AM PDT by NWS Seattle WA

Summary: ...The National Weather Service in Seattle WA has issued a Flood Warning for the following rivers in Washington... Stillaguamish River At Arlington affecting Snohomish County. .Heavy rain over the Northern and Central Cascades Thursday into this morning will push the Stillaguamish River at Arlington above flood stage this morning. * WHAT...Minor flooding is forecast. * WHERE...Stillaguamish River at Arlington. * WHEN...Until tomorrow morning. * IMPACTS...At 14.0 feet, the Stillaguamish River will locally spill over its banks. Minor flooding around Silvana will occur... including over Pioneer Highway. A stage of 14 feet on the Stillaguamish River corresponds roughly to Phase 2 in the Snohomish County Flood program. * ADDITIONAL DETAILS... - At 6:25 AM PDT Friday the stage was 13.7 feet. - Flood stage is 14.0 feet. - Forecast...The river is expected to rise above flood stage this morning to a crest of 15.7 feet late this morning. It will then fall below flood stage this evening. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 6:34 am      Expires:  March 20, 2026, 2:45 pm
Area:  Snohomish, WA


Flood Warning issued March 20 at 6:32AM PDT until March 20 at 9:52PM PDT by NWS Seattle WA

Summary: ...The National Weather Service in Seattle WA has issued a Flood Warning for the following rivers in Washington... South Fork Stillaguamish River Near Jordan Rd. Bridge affecting Snohomish County. .Heavy rain over the Northern and Central Cascades Thursday into this morning will push the South Fork of the Stillaguamish River near Jordan Road Bridge above flood stage this morning. * WHAT...Minor flooding is forecast. * WHERE...South Fork Stillaguamish River near Jordan Rd. Bridge. * WHEN...Until late this evening. * IMPACTS...At 211.0 feet, the South Fork Stillaguamish River will cause flooding along the river and tributaries. A stage of 14.5 feet corresponds to Phase 2 in the Snohomish County Flood Warning System. * ADDITIONAL DETAILS... - At 5:30 AM PDT Friday the stage was 210.8 feet. - Flood stage is 211.0 feet. - Forecast...The river is expected to rise above flood stage this morning to a crest of 211.4 feet late this morning. It will then fall below flood stage this afternoon. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 6:32 am      Expires:  March 20, 2026, 2:45 pm
Area:  Snohomish, WA


Flood Watch issued March 20 at 5:17AM PDT until March 20 at 5:00PM PDT by NWS Seattle WA

Summary: * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northwest Washington, including the following county, Mason. * WHEN...Until 5 PM PDT this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - High snow levels, heavy rainfall, and snowmelt runoff will lead to rises on the Skokomish River with flooding possible today. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 5:17 am      Expires:  March 20, 2026, 5:00 pm
Area:  Mason, WA


Flood Watch issued March 20 at 5:17AM PDT until March 20 at 5:00PM PDT by NWS Seattle WA

Summary: * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest and west central Washington, including the following counties, in northwest Washington, Skagit and Whatcom. In west central Washington, King and Snohomish. * WHEN...Until 5 PM PDT this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - An additional 1 to 1.5 inches of rain are expected over the North and Central Cascades today. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 5:17 am      Expires:  March 20, 2026, 5:00 pm
Area:  King, WA; Skagit, WA; Snohomish, WA; Whatcom, WA


Flood Warning issued March 20 at 5:15AM PDT until March 22 at 1:14AM PDT by NWS Seattle WA

Summary: ...Forecast flooding changed from Minor to Major severity and increased in duration for the following rivers in Washington... Snohomish River Near Monroe affecting Snohomish County. .Heavy rain in the Central Cascades Thursday into Friday morning will push the Snohomish river near Monroe into major flood stage around noon. * WHAT...Minor flooding is occurring and major flooding is forecast. * WHERE...Snohomish River near Monroe. * WHEN...Until early Sunday morning. * IMPACTS...At 17.0 feet, the Snohomish River will cause major flooding...inundating farm land...roads...and some residential areas. Levees will likely suffer damage. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 17 feet at this location corresponds to Phase 2 in the Snohomish County Flood Warning System. * ADDITIONAL DETAILS... - At 4:15 AM PDT Friday the stage was 15.4 feet. - Flood stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:15 AM PDT Friday was 15.4 feet. - Forecast...The river is expected to rise to 17.0 feet around noon today. The river will keep rising this afternoon cresting near 18.1 feet tonight. The river will begin receding Saturday falling below flood stage late Saturday afternoon or evening. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 5:15 am      Expires:  March 20, 2026, 1:15 pm
Area:  Snohomish, WA


Flood Warning issued March 20 at 4:15AM PDT until March 21 at 5:00PM PDT by NWS Seattle WA

Summary: ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Washington... Skykomish River Near Gold Bar affecting Snohomish County. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Skykomish River near Gold Bar. * WHEN...From early this morning to tomorrow afternoon. * IMPACTS...At 17.0 feet, the Skykomish River will cause flooding from near Index downstream through Sultan to the Snoqualmie. Flood waters will cover numerous roads...including Ben Howard Rd... Index-Galena Rd and Tualco Loop Rd. Flooding in the town of Sultan will begin. A stage of 17 feet on the Skykomish River corresponds to a Phase 3 in the Snohomish County flood program. * ADDITIONAL DETAILS... - At 3:30 AM PDT Friday the stage was 16.4 feet. - Flood stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 3:30 AM PDT Friday was 16.4 feet. - Forecast...The river is expected to rise to a crest of 17.0 feet late this afternoon. It will then fall below flood stage late tonight. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 20, 2026, 4:15 am      Expires:  March 20, 2026, 12:15 pm
Area:  Snohomish, WA


Flood Warning issued March 19 at 3:48PM PDT until March 22 at 11:00PM PDT by NWS Pendleton OR

Summary: ...The Flood Warning continues for the following rivers in Washington... Naches River near Naches affecting Yakima County. For the Naches River...including Naches...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Naches River near Naches. * WHEN...Until late Sunday evening. * IMPACTS...At 19.0 feet, Moderate flooding is possible from Cliffdell downstream to Yakima. * ADDITIONAL DETAILS... - At 2:45 PM PDT Thursday the stage was 18.1 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:45 PM PDT Thursday was 18.1 feet. - Forecast...The river will rise to 19.1 feet late Saturday morning. It will then fall below flood stage Sunday afternoon and then to 17.1 feet Tuesday afternoon. - Flood stage is 17.8 feet. - Flood History...This crest compares to a previous crest of 19.0 feet on 11/30/1995. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  March 19, 2026, 3:48 pm      Expires:  March 20, 2026, 8:15 pm
Area:  Yakima, WA


Hydrologic Outlook issued March 19 at 3:35PM PDT by NWS Pendleton OR

Summary: ESFPDT Moderate to heavy rain is expected to continue along the Washington Cascade crest through Friday night. With temperatures remaining above freezing at night and warming into the 40s during the day, increased snowmelt is expected to continue as well. The rain and snow melt will increase water levels in rivers and streams flowing off the Cascades. The Naches River at Naches is expected to remain above minor flood stage through Sunday evening while briefly reaching moderate flood stage on Saturday. The Naches River at Cliffdell and several locations on the Yakima River are either above action stage or are expected to reach action stage at times through this weekend. Further downstream, the Yakima River at Kiona is expected to move above action stage Friday afternoon through Tuesday and briefly rise to just above minor flood stage Sunday afternoon. Please monitor the latest river forecasts from the National Weather Service for additional information.
Severity:  Unknown    Effective:  March 19, 2026, 3:35 pm      Expires:  March 20, 2026, 5:00 pm
Area:  Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Simcoe Highlands; Upper Slopes of the Eastern Washington Cascades Crest; Lower Slopes of the Eastern Washington Cascades Crest