Flood Warning Washington | Effective 03/15/2026 04:27

Headline: 
Flood Warning issued March 15 at 4:27AM PDT until March 16 at 3:00AM PDT by NWS Seattle WA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
March 15, 2026 - 4:27am
Expires: 
March 15, 2026 - 12:30pm
Description: 
...The Flood Warning continues for the following rivers in Washington... Chehalis River Above Grand Mound affecting Grays Harbor and Thurston Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Chehalis River above Grand Mound. * WHEN...Until late 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 4:00 AM PDT Sunday the stage was 142.3 feet. - Flood stage is 141.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 AM PDT Sunday was 142.5 feet. - Forecast...The river has crested and will recede below flood stage this evening. - http://www.weather.gov/safety/flood
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding. 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 afternoon at 1230 PM PDT.
Area Description: 
Grays Harbor, WA; Thurston, WA
Forcast Office: 
NWS Seattle WA
Sender: 
w-nws.webmaster@noaa.gov