Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office Des Moines, IA

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

Download

Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

Auto Refresh: OFF

Printable Image About this graph Tabular Data (UTC) Tabular Data (CDT) Datum: NGVD29 Metadata

NOTE: 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 www.ngs.noaa.gov/faq.shtml

Default Hydrograph Scale to Flood Categories   Return to Area Map

Downstream Gauge

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. For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:14 Legend FEMA Layer Gauge Location 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

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.

About This Location

Latitude: 40.640280° N, Longitude: 93.808280° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 12 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 874.04 ft Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Davis City

Additional Information

How low could the river get? USGS 7-Day Streamflow Duration Hydrograph for this location: USGS Cumulative Streamflow Hydrograph for this location:

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Hourly River Stages NWS AHPS Inundation Mapping Locations AHPS Webpage FAQs

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management US Geological Survey (map of sites) US Geological Survey (table of sites) US Army Corps of Engineers Iowa Flood Center (stream sensors) NWS River Forecast Point Monitor NWS Des Moines Hydro Briefing Snow Information

Collaborative Agencies 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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities