Headline:
Flood Warning issued March 13 at 11:20PM PDT until March 15 at 9:29AM PDT by NWS Portland OR
Event:
Flood Warning
Urgency:
Immediate
Effective:
March 13, 2026 - 11:20pm
Expires:
March 14, 2026 - 6:00am
Description:
...Observed flooding changed to Minor severity and increased in
duration for the following rivers in Oregon...
Wilson River near Tillamook affecting Tillamook County.
...The Flood Warning continues for the following rivers in
Washington...Oregon...
Cowlitz River at Kelso affecting Cowlitz County.
Grays River at Covered Bridge near Rosburg affecting Wahkiakum
County.
Johnson Creek at Sycamore affecting Clackamas and Multnomah
Counties.
Nehalem River near Foss affecting Clatsop and Tillamook Counties.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Cowlitz River at Kelso.
* WHEN...Until late Sunday morning.
* IMPACTS...Above 24.5 feet, flooding of a few residential areas in
Kelso begins. Also expect widespread flooding of pasture land and
low lying roads.
* ADDITIONAL DETAILS...
- At 10:58 PM PDT Friday the stage was 23.2 feet.
- Bankfull stage is 18.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:58 PM PDT Friday was 23.7 feet.
- Forecast...The river will oscillate above flood stage with a
maximum value of 23.2 feet late tonight. It will fall below
flood stage Sunday morning.
- Flood stage is 21.5 feet.
- http://www.weather.gov/safety/flood
Instruction:
Motorists should not attempt to drive around barricades or drive
through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Additional information is available at www.weather.gov.
The next statement will be issued early Saturday morning at 515 AM
PDT.late tonight at 500 AM PDT.
Area Description:
Cowlitz, WA
Forcast Office:
NWS Portland OR
Sender:
w-nws.webmaster@noaa.gov