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This probabilistic forecast is issued by the North Central River Forecast Center.
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About this graph
Forecasts for the South River (South Central IA) near Ackworth are issued as needed during times of high water, but are not routinely available.
Return to Area Map

Zoom Level:12
Flood Categories (in feet)
Major Flood Stage: 32
Moderate Flood Stage: 30
Flood Stage: 29
Action Stage: 26
Low Stage (in feet): -9999

Historic Crests
(1) 32.85 ft on 07/05/1981
(2) 32.66 ft on 06/05/1947
(3) 32.56 ft on 06/01/1930
(4) 32.00 ft on 07/16/1982
(5) 31.87 ft on 06/25/2015
(6) 31.57 ft on 07/29/2008
(7) 31.25 ft on 06/17/1990
(8) 31.16 ft on 06/13/1947
(9) 30.87 ft on 05/22/1959
(10) 30.66 ft on 03/30/1960
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.87 ft on 04/05/2017
(2) 17.94 ft on 09/16/2016
(3) 22.21 ft on 07/19/2016
(4) 21.19 ft on 06/11/2016
(5) 24.27 ft on 12/14/2015
(6) 15.69 ft on 11/27/2015
(7) 27.17 ft on 07/29/2015
(8) 20.86 ft on 07/16/2015
(9) 22.02 ft on 07/11/2015
(10) 31.87 ft on 06/25/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 5.50 ft on 09/01/1956
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
33 168th Avenue floods near the bridge over the river.
31.8 Water affects Iowa 92 east of Ackworth.
31 Water reaches the underside of the bridge at 168th Avenue.
30 Water covers portions of Iowa 92 and many other rural county roads. Widespread agricultural flooding occurs.
28.6 Water is over Iowa 92 between mile markers 137.5 and 139.
26 Road closures are possible near creeks adjoining the river.
19 Water affects lowlands.

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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