Flood Warning Washington | Effective 03/21/2026 16:35

Headline: 
Flood Warning issued March 21 at 4:35PM PDT until March 22 at 11:00AM PDT by NWS Seattle WA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
March 21, 2026 - 4:35pm
Expires: 
March 22, 2026 - 12:45am
Description: 
...The Flood Warning continues for the following rivers in Washington... Snohomish River At Snohomish affecting Snohomish County. * WHAT...Major flooding is occurring but will be receding into Moderate flooding over the next several hours. * WHERE...Snohomish River at Snohomish. * WHEN...Until late tomorrow morning. * IMPACTS...At 29.0 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. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 29 feet on the Snohomish River corresponds to a Phase 3 in the Snohomish County flood program. * ADDITIONAL DETAILS... - At 4:00 PM PDT Saturday the stage was 29.4 feet. - Flood stage is 25.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM PDT Saturday was 30.8 feet. - Forecast...The river will fall below flood stage tomorrow afternoon to 25 feet. It will fall below action stage likely by Monday morning. - Flood History...This crest compares to a previous crest of 29.2 feet on 11/20/1962. - http://www.weather.gov/safety/flood
Instruction: 
Be especially cautious at night when it is harder to recognize the dangers of flooding. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued by late tonight at 1245 AM PDT.
Area Description: 
Snohomish, WA
Forcast Office: 
NWS Seattle WA