Flood Warning Washington | Effective 03/19/2026 03:29

Headline: 
Flood Warning issued March 19 at 3:29AM PDT until March 21 at 10:59AM PDT by NWS Seattle WA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
March 19, 2026 - 3:29am
Expires: 
March 19, 2026 - 11:30am
Description: 
...The Flood Warning continues for the following rivers in Washington... Snohomish River Near Monroe affecting Snohomish County. Snoqualmie River Near Snoqualmie Falls affecting King County. ...The Flood Warning is extended for the following rivers in Washington... Tolt River Above Carnation affecting King County. Snoqualmie River Near Carnation affecting King County. * WHAT...Minor flooding is forecast. * WHERE...Snoqualmie River near Snoqualmie Falls. * WHEN...Until late Saturday morning. * 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 2:15 AM PDT Thursday the flow was 18,800.0 cfs. - Flood flow is 20,000.0 cfs. - Forecast...The river will continue to recede today lowering to around 15,000 cfs. The river will begin rising Friday morning cresting around 23,300 cfs Friday evening. It will then fall below flood stage Saturday morning. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued by this morning at 1130 AM PDT.
Area Description: 
King, WA
Forcast Office: 
NWS Seattle WA