Linn County
River Flood Warning until MON 2:40 AM CDT
Issued May, 22 2026 at 10:02 AM - US/Central expires May, 25 2026 at 2:40 AM - US/Central
...FLOOD WARNING NOW IN EFFECT UNTIL LATE SUNDAY NIGHT...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Grand River near Sumner.
* WHEN...Until late Sunday night.
* IMPACTS...At 37.0 feet, State Highway 139 floods a half mile east
of Sumner.
* ADDITIONAL DETAILS...
- At 9:45 AM CDT Friday the stage was 35.3 feet.
- Forecast...The river is expected to fall below flood stage early
Sunday morning and continue falling to 10.3 feet Wednesday
morning.
- Flood stage is 26.0 feet.
- http://www.weather.gov/safety/flood
&&
Fld Obs Forecasts
Location Stg Stg Day/Time Fri Sat Sun
1pm 1pm 1pm
Grand River
Sumner 26.0 35.3 Fri 9am 34.8 31.9 15.6
&&
