Active Weather Alerts
River Flood Warning
Issued: 2:01 AM Sep. 17, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM THURSDAY MORNING TO SATURDAY EVENING... * WHAT...Moderate flooding is forecast. * WHERE...Grand River near Sumner. * WHEN...From Thursday morning to Saturday evening. * IMPACTS...At 23.0 feet, Bottomland 1 to 2 miles south of the gage begins to flood. At 26.0 feet, Rural land adjacent to the river is flooded. At 28.0 feet, Rural roads are under water. * ADDITIONAL DETAILS... - At 8:45 PM CDT Wednesday the stage was 13.9 feet. - Forecast...The river is expected to rise above flood stage late tomorrow morning to a crest of 29.8 feet tomorrow evening. It will then fall below flood stage late Friday evening. - Flood stage is 26.0 feet. - http://www.weather.gov/safety/flood && Fld Obs Forecasts Location Stg Stg Day/Time Thu Fri Sat 1am 1am 1am Grand River Sumner 26.0 13.9 Wed 8pm 15.0 29.6 24.4 &&
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