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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 Thompson River (IA/MO) at Davis City are issued as needed during times of high water, but are not routinely available.

More information on datums is available at

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Downstream Gauge Downstream Gauge - near Trenton
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 24
Moderate Flood Stage: 20
Flood Stage: 12
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 24.29 ft on 09/16/1992
(2) 22.80 ft on 08/08/1885
(3) 21.70 ft on 04/24/1897
(4) 21.00 ft on 08/27/1903
(5) 20.53 ft on 07/05/1993
(6) 20.30 ft on 07/06/1909
(7) 20.20 ft on 08/16/1914
(8) 20.10 ft on 06/14/1947
(9) 19.90 ft on 07/18/1922
(10) 19.60 ft on 03/28/1915
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.99 ft on 06/08/2022
(2) 8.72 ft on 07/10/2021
(3) 8.07 ft on 05/27/2020
(4) 13.15 ft on 05/29/2019
(5) 10.44 ft on 09/01/2018
(6) 8.16 ft on 04/05/2017
(7) 9.57 ft on 12/14/2015
(8) 10.01 ft on 07/29/2015
(9) 14.51 ft on 09/10/2014
(10) 16.68 ft on 04/18/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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Gauge LocationGauge Map Marker
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
24 Both lanes of I-35 are overtopped along with many area highways and county roads. Widespread flooding occurs along both the Thompson River and its tributaries.
19 The Highway R15 bridge crossings are affected just north of Grand River. Flooding occurs in the low areas of Davis City.
13 Flooding of agricultural land occurs north of Davis City near I-35.
12 Widespread flooding occurs at the Davis City park including the campgrounds. Highway R15 floods just north of the town of Grand River in northwest Decatur county.
11 Water affects the Davis City park and campgrounds.
10 Water affects gravel roads from Shewmaker Park to Oakhill cemetery near the town of Grand River in northwest Decatur County.
9 Water affects the low areas of the Davis City park as well as some rural roads.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
  • USGS 7-Day Streamflow Duration Hydrograph for this location:
    Duration Hydrograph

    Duration Hydrograph Legend

  • USGS Cumulative Streamflow Hydrograph for this location:
    Duration Hydrograph of Cumulative Streamflow
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
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
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Page last modified: 2-Nov-2020 7:29 PM
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