Flood Warning Washington | Effective 03/21/2026 11:46

Headline: 
Flood Warning issued March 21 at 11:46AM PDT until March 22 at 12:00AM PDT by NWS Seattle WA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
March 21, 2026 - 11:46am
Expires: 
March 21, 2026 - 8:00pm
Description: 
...The Flood Warning continues for the following rivers in Washington... Nooksack River At Ferndale affecting Whatcom County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Nooksack River at Ferndale. * WHEN...Until just after midnight tonight. * 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 11:15 AM PDT Saturday the stage was 19.8 feet. - Flood stage is 18.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:15 AM PDT Saturday was 20.0 feet. - Forecast...The river is expected to fall below flood stage late this evening and continue falling to 9.3 feet late Tuesday morning. - Flood History...This crest compares to a previous crest of 19.8 feet on 01/11/1983. - 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. Additional information is available at www.weather.gov. The next statement will be issued by this evening at 800 PM PDT.
Area Description: 
Whatcom, WA
Forcast Office: 
NWS Seattle WA
Sender: 
w-nws.webmaster@noaa.gov