Flood Warning Washington | Effective 03/20/2026 20:47

Headline: 
Flood Warning issued March 20 at 8:47PM PDT until March 22 at 6:00AM PDT by NWS Seattle WA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
March 20, 2026 - 8:47pm
Expires: 
March 21, 2026 - 5:00am
Description: 
...The Flood Warning is extended for the following rivers in Washington... Nooksack River At Ferndale affecting Whatcom County. * WHAT...Minor flooding is forecast. * WHERE...Nooksack River at Ferndale. * WHEN...Until Sunday morning. * IMPACTS...At 18.0 feet, the river begins overtopping its banks within the City of Ferndale flooding low-lying areas within the City and low pasture lands along the river from near Ferndale downstream to the mouth. * ADDITIONAL DETAILS... - At 8:30 PM PDT Friday the stage was 17.8 feet. - Flood stage is 18.0 feet. - Forecast...The river is expected to rise above flood stage this evening to a crest of 19.3 feet late tonight into early Saturday morning. It will then fall below flood stage late Saturday evening, and continue to recede into Sunday. - http://www.weather.gov/safety/flood
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov. The next statement will be issued by late tonight at 500 AM PDT.
Area Description: 
Whatcom, WA
Forcast Office: 
NWS Seattle WA