Flood Warning Washington | Effective 03/15/2026 11:53

Headline: 
Flood Warning issued March 15 at 11:53AM PDT until March 16 at 2:11AM PDT by NWS Seattle WA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
March 15, 2026 - 11:53am
Expires: 
March 15, 2026 - 8:00pm
Description: 
...The Flood Warning continues for the following rivers in Washington... Chehalis River Above Grand Mound affecting Grays Harbor and Thurston Counties. Chehalis River At Porter affecting Grays Harbor County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Chehalis River above Grand Mound. * WHEN...Until just after midnight tonight. * IMPACTS...At 141.0 feet, the Chehalis River in Thurston County will flood several roads in Independence Valley including James Road, Independence Road, and Moon road. Flood waters will also cover nearby farm lands. * ADDITIONAL DETAILS... - At 11:00 AM PDT Sunday the stage was 141.8 feet. - Flood stage is 141.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:00 AM PDT Sunday was 142.5 feet. - Forecast...The river is expected to fall below flood stage late this afternoon and continue falling to 137.4 feet late Wednesday evening. - 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: 
Grays Harbor, WA; Thurston, WA
Forcast Office: 
NWS Seattle WA
Sender: 
w-nws.webmaster@noaa.gov