Island County Emergency Alerts
Flood Warning issued March 18 at 10:38AM PDT by NWS Seattle WA
Headline
Flood Warning issued March 18 at 10:38AM PDT by NWS Seattle WA
Description
...The National Weather Service in Seattle WA has issued a Flood
Warning for the following rivers in Washington...
Snohomish River At Snohomish affecting Snohomish County.
.Heavy rain over the Central Cascades combined with higher snow
levels will push the Snohomish River at Snohomish above flood stage
this evening.
* WHAT...Moderate flooding is forecast.
* WHERE...Snohomish River at Snohomish.
* WHEN...From this afternoon until further notice.
* IMPACTS...At 28.0 feet, the Snohomish River will flood several
roads...including the Snohomish-Monroe highway and Riverview
Road...and low areas of the lower Snohomish valley that are not
protected by levees. A stage of 28 feet on the Snohomish River
corresponds to a Phase 3 in the Snohomish County flood program.
* ADDITIONAL DETAILS...
- At 10:00 AM PDT Wednesday the stage was 22.2 feet.
- Flood stage is 25.0 feet.
- Forecast...The river will rise above flood stage this evening
to 28.7 feet late tomorrow morning. The river will then
remain above flood stage through Saturday, before receding
below flood stage on Sunday.
- http://www.weather.gov/safety/flood
Instructions
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 evening at 645 PM PDT.
Additional Details
| Type | Alert |
| Phenomena | Flood |
| Severity | Warning |
| Event Code | FLW |
| Area | Snohomish, WA |
| Sent | Wednesday, March 18, 2026 10:38 AM PDT |
| Expires | Wednesday, March 18, 2026 6:45 PM PDT |
| Sender | NWS Seattle WA |
| Id | urn:oid:2.49.0.1.840.0.2ebd977c1253b8527408543223ea010ca4a28c7a.001.1 |