Station Name: Sumner
Data Source: USGS

Elevation Above Sea Level: 656 feet

Nearest Address:
MO 139
Sumner, MO 64643
Chariton County

GPS Coordinates: 39.6403, -93.2736

Nearby Water Temperatures

Flood Warning issued May 17 at 5:15PM CDT until May 22 at 2:12AM CDT by NWS Kansas City/Pleasant Hill MO

Effective: Sun May 17, 2026, 5:15 PM
Expires: Mon May 18, 2026, 5:15 AM

...The Flood Warning continues for the following rivers in Missouri... Grand River near Gallatin affecting Livingston and Daviess Counties. Grand River near Pattonsburg affecting Daviess and Gentry Counties. Grand River near Sumner affecting Chariton, Carroll, Livingston and Linn Counties. Grand River near Chillicothe affecting Livingston and Linn Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Grand River near Sumner. * WHEN...Until late Thursday night. * ADDITIONAL DETAILS... - At 4:45 PM CDT Sunday the stage was 32.1 feet. - Bankfull stage is 23.0 feet. - Forecast...The river is expected to rise to a crest of 34.8 feet tomorrow evening. It will then fall below flood stage early Thursday morning. - Flood stage is 26.0 feet. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product along with additional weather and stream information is available at www.weather.gov/kc/.

Hydrologic Outlook issued May 17 at 8:44AM CDT by NWS Kansas City/Pleasant Hill MO

Effective: Sun May 17, 2026, 8:44 AM
Expires: Mon May 18, 2026, 8:45 AM

ESFEAX Grand River near Brunswick This hydrologic outlook is based on the forecast rainfall for the next 24 hours and estimated runoff from earlier rainfall. Crests may vary if actual rainfall or runoff is greater or less than anticipated. Location: Grand River near Brunswick Flood stage: 19.0 feet Maximum Forecast Stage: 19.6 feet at 7 PM Wednesday May 20 Fld Obs Forecasts Location Stg Stg Day/Time Sun Mon Tue 1pm 1pm 1pm Grand River Brunswick 19.0 MSG MSG 6.0 14.8 17.8 Later statements, possibly warnings, may be issued as additional information becomes available.

Flood Watch issued May 18 at 1:05AM CDT until May 19 at 7:00AM CDT by NWS Kansas City/Pleasant Hill MO

Effective: Mon May 18, 2026, 1:05 AM
Expires: Mon May 18, 2026, 4:00 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Kansas, including the following areas, Johnson KS, Leavenworth, Linn KS, Miami and Wyandotte and Missouri, including the following areas, Bates, Carroll, Cass, Chariton, Clay, Cooper, Henry, Howard, Jackson, Johnson MO, Lafayette, Pettis, Platte, Ray and Saline. * WHEN...Through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Periods of heavy rainfall are likely Monday morning and again late Monday night into early Tuesday morning. - http://www.weather.gov/safety/flood

Hydrologic Outlook issued May 17 at 8:07PM CDT by NWS Kansas City/Pleasant Hill MO

Effective: Sun May 17, 2026, 8:07 PM
Expires: Mon May 18, 2026, 8:15 PM

ESFEAX Grand River near Brunswick This hydrologic outlook is based on the forecast rainfall for the next 24 hours and estimated runoff from earlier rainfall. Crests may vary if actual rainfall or runoff is greater or less than anticipated. Location: Grand River near Brunswick Flood stage: 19.0 feet Maximum Forecast Stage: 19.6 feet at 7 PM Wednesday May 20 Fld Obs Forecasts Location Stg Stg Day/Time Sun Mon Tue 1pm 1pm 1pm Grand River Brunswick 19.0 MSG MSG 6.0 14.8 17.8 Later statements, possibly warnings, may be issued as additional information becomes available.

Flood Warning issued May 17 at 8:02PM CDT until May 22 at 1:23AM CDT by NWS Kansas City/Pleasant Hill MO

Effective: Sun May 17, 2026, 8:02 PM
Expires: Mon May 18, 2026, 8:15 AM

...The Flood Warning is extended for the following rivers in Missouri... Grand River near Gallatin affecting Livingston and Daviess Counties. Grand River near Pattonsburg affecting Daviess and Gentry Counties. Thompson River at Trenton affecting Livingston and Grundy Counties. ...The Flood Warning continues for the following rivers in Missouri... Grand River near Sumner affecting Chariton, Carroll, Livingston and Linn Counties. Grand River near Chillicothe affecting Livingston and Linn Counties. Platte River near Agency affecting Buchanan County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Grand River near Sumner. * WHEN...Until late Thursday night. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 33.2 feet. - Bankfull stage is 23.0 feet. - Forecast...The river is expected to rise to a crest of 34.8 feet Tuesday morning. It will then fall below flood stage early Thursday morning. - Flood stage is 26.0 feet. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product along with additional weather and stream information is available at www.weather.gov/kc/.