Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap

  
 

This probabilistic forecast is issued by the North Central River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Upper Iowa River at Decorah are issued as needed during times of high water, but are not routinely available.
Return to Area Map

Downstream Gauge Downstream Gauge - at Dorchester
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 13
Flood Stage: 12
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 17.90 ft on 06/09/2008
(2) 15.20 ft on 05/29/1941
(3) 14.35 ft on 08/17/1993
(4) 13.68 ft on 08/24/2016
(5) 13.08 ft on 03/27/1961
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.68 ft on 08/24/2016
(2) 11.67 ft on 06/23/2013
(3) 17.90 ft on 06/09/2008
(4) 12.31 ft on 06/01/2000
(5) 14.35 ft on 08/17/1993
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.30 ft on 02/02/1959
(2) 2.40 ft on 09/01/1989
(3) 2.51 ft on 12/27/2003
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
19.5 Water may begin to overtop the protective levee.
14 Major flooding may occur outside the areas protected by the levee.
13 Residential flooding on the west side of town is possible. Street and storm sewer flooding on the east side of town south of the levee can cause basement flooding if flood stage is exceeded for an extended period of time.
12 Residential areas are threatened on the west edge of Decorah just before the levee protecting the town begins. Some agricultural flooding may also occur.
Photos
(1) Upstream view at Decorah, October 18th, 2010
(2) Downstream view at Decorah, October 18th, 2010

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
    National Weather Service
    La Crosse Weather Forecast Office
    N2788 County Rd FA
    La Crosse, WI 54601
    (608) 784-7294
    Ask Questions/Webmaster
    Page last modified: 6-Nov-2019 2:40 PM
    Disclaimer
    Credits
    Glossary
    Privacy Policy
    About Us
    Career Opportunities