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This probabilistic forecast is issued by the Missouri Basin River Forecast Center.
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About this graph
Forecasts for the Grand River near Sumner are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - near Chillicothe Upstream Gauge Downstream Gauge Downstream Gauge - near Brunswick
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 40
Moderate Flood Stage: 28
Flood Stage: 26
Action Stage: 21
Low Stage (in feet): -9999

Historic Crests
(1) 42.52 ft on 07/10/1993
(2) 41.35 ft on 05/30/2019
(3) 40.02 ft on 06/28/2008
(4) 39.97 ft on 05/10/2007
(5) 39.57 ft on 05/13/2002
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 32.00 ft on 06/09/2022
(2) 26.87 ft on 05/04/2022
(3) 30.79 ft on 05/01/2022
(4) 32.58 ft on 11/12/2021
(5) 32.94 ft on 07/12/2021
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.19 ft on 08/22/1936
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
52 Water reaches the road surface of State Highway 139 bridge.
45 Water reaches the bottom of State Highway 139 bridge.
44 Water reaches the bottom of the Burlington Northern Railroad bridge which is located just upstream from the State Highway 139 bridge.
40 Homes in northeast Sumner begin to flood.
37 State Highway 139 floods a half mile east of Sumner.
28 Rural roads are under water.
26 Rural land adjacent to the river is flooded.
23 Bottomland 1 to 2 miles south of the gage begins to flood.

Other Real-time and/or Archive Data Sources:
Additional Information Collapse
How low could the river get?
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Kansas City/Pleasant Hill Weather Forecast Office
1803 N. 7 Hwy
Pleasant Hill, MO 64080
(816) 540-6021
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