Flood Warning Washington | Effective 03/18/2026 05:33

Headline: 
Flood Warning issued March 18 at 5:33AM PDT by NWS Seattle WA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
March 18, 2026 - 5:33am
Expires: 
March 18, 2026 - 1:45pm
Description: 
...The Flood Warning is extended for the following rivers in Washington... Snoqualmie River Near Carnation affecting King County. .Heavy rain in the Central Cascades combined with high snow levels will push the Snoqualmie River at Carnation above flood stage today. * WHAT...Moderate flooding is forecast. * WHERE...Snoqualmie River near Carnation. * WHEN...From this morning until further notice. * 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 5:15 AM PDT Wednesday the stage was 52.8 feet. - Flood stage is 54.0 feet. - Forecast...The river will reach flood stage around 11 AM this morning. The river will crest near 57.6 feet late tonight or early Thursday morning. The river will remain above flood stage into the weekend. - 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 afternoon at 145 PM PDT.
Area Description: 
King, WA
Forcast Office: 
NWS Seattle WA