47°54'N / 122°5'W / Altitud 9 m / 11:54 18/03/2026, America/Los_Angeles (UTC-7)
de: 18/03/2026, 13:00
a: 18/03/2026, 18:00
* WHAT...Flooding caused by excessive rainfall continues to be possible.
* WHERE...Portions of northwest and west central Washington, including the following counties, in northwest Washington, Skagit and Whatcom. In west central Washington, King and Snohomish.
* WHEN...From 1 PM PDT this afternoon through Friday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS... - High snow levels, heavy rainfall, and snowmelt runoff will lead to rises on area rivers with flooding possible. - http://www.weather.gov/safety/flood
Snohomish
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
NWS Seattle WA
18/03/2026, 06:08de: 18/03/2026, 16:00
a: 18/03/2026, 18:45
...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
Snohomish, WATurn 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.NWS Seattle WA18/03/2026, 10:38
de: 17/03/2026, 19:30
a: 18/03/2026, 18:30
AVWSEW
The following message is transmitted at the request of the Northwest Avalanche Center.
...The Northwest Avalanche Center in Seattle has issued an Avalanche Warning...
* WHAT...High avalanche danger is expected in the West Central zone Tuesday night and Wednesday.
* WHERE...The West Central Zone is along the West Slopes of the Cascades from SR20 to north of I-90. It includes the Mountain Loop Highway and the mountains near and south of Hwy 2 along the West Slopes of the Cascades. Dangerous avalanche conditions are expected in neighboring zones.
* WHEN...In effect from Tue 18:30 PDT to Wed 18:30 PDT.
* IMPACTS...Large to very large natural wet snow avalanches are expected. Avalanches that release from higher elevations could run long distances to lower elevations or into terrain that is usually considered safe.
* PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions are expected. Travel in backcountry terrain is not recommended. Put a large buffer between you and terrain where avalanches can start, run, and stop.
Consult https://www.nwac.us/ or www.avalanche.org for more detailed information.
Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.
D'Amico
SnohomishNWS Seattle WA17/03/2026, 19:30