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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 Upper Iowa River at Dorchester are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Decorah Upstream Gauge Downstream Gauge Downstream Gauge - at Lansing - Pool 9
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 17
Flood Stage: 14
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 24.30 ft on 08/25/2016
(2) 22.46 ft on 06/09/2008
(3) 22.20 ft on 02/28/1948
(4) 21.80 ft on 05/30/1941
(5) 20.89 ft on 03/05/1937
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.03 ft on 02/27/2023
(2) 14.67 ft on 07/24/2022
(3) 14.07 ft on 08/30/2021
(4) 13.93 ft on 06/10/2020
(5) 14.60 ft on 06/28/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 5.50 ft on 08/15/1941
(2) 6.47 ft on 09/23/1939
(3) 6.50 ft on 12/31/1976
Show More Low Water Records
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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
24 Iowa Highway 76 is overtopped just north of the gage site.
22 Iowa Highway 76 south of Dorchester may be threatened by flood waters.
17 Iowa Highway 76 is overtopped just north of the gage site.
16 Iowa Highway 76 south of Dorchester may be threatened by flood waters.
15 Significant agricultural flooding begins.
14 Lowland agricultural areas begin to flood.
Photos
(1) Upstream view at Dorchester Highway 76 bridge, September 30th, 2013, Stage = 7.24 ft
(2) Downstream view at Dorchester Highway 76 bridge, September 30th, 2013, Stage = 7.24 ft

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
  • How low could the river get?
  • Link to text page with Hourly River Stage Level and Water Temperatures
  • 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
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    La Crosse Weather Forecast Office
    N2788 County Rd FA
    La Crosse, WI 54601
    (608) 784-7294
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    Page last modified: 2-Nov-2020 7:29 PM
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