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Hydrograph River at a Glance Download
Upper Iowa River at Decorah Stage (ft)Observed: 1.46 ft at 11:45AM Mar 25, 2024Observed: 1.46 ft at 12:00PM Mar 25, 2024Observed: 1.46 ft at 12:15PM Mar 25, 2024Observed: 1.46 ft at 12:30PM Mar 25, 2024Observed: 1.46 ft at 12:45PM Mar 25, 2024Observed: 1.46 ft at 1:00PM Mar 25, 2024Observed: 1.47 ft at 1:15PM Mar 25, 2024Observed: 1.47 ft at 1:30PM Mar 25, 2024Observed: 1.47 ft at 1:45PM Mar 25, 2024Observed: 1.47 ft at 2:00PM Mar 25, 2024Observed: 1.47 ft at 2:15PM Mar 25, 2024Observed: 1.47 ft at 2:30PM Mar 25, 2024Observed: 1.47 ft at 2:45PM Mar 25, 2024Observed: 1.47 ft at 3:00PM Mar 25, 2024Observed: 1.46 ft at 3:15PM Mar 25, 2024Observed: 1.47 ft at 3:30PM Mar 25, 2024Observed: 1.47 ft at 3:45PM Mar 25, 2024Observed: 1.47 ft at 4:00PM Mar 25, 2024Observed: 1.47 ft at 4:15PM Mar 25, 2024Observed: 1.47 ft at 4:30PM Mar 25, 2024Observed: 1.47 ft at 4:45PM Mar 25, 2024Observed: 1.48 ft at 5:00PM Mar 25, 2024Observed: 1.47 ft at 5:15PM Mar 25, 2024Observed: 1.47 ft at 5:30PM Mar 25, 2024Observed: 1.47 ft at 5:45PM Mar 25, 2024Observed: 1.47 ft at 6:00PM Mar 25, 2024Observed: 1.47 ft at 6:15PM Mar 25, 2024Observed: 1.47 ft at 6:30PM Mar 25, 2024Observed: 1.47 ft at 6:45PM Mar 25, 2024Observed: 1.47 ft at 7:00PM Mar 25, 2024Observed: 1.48 ft at 7:15PM Mar 25, 2024Observed: 1.48 ft at 7:30PM Mar 25, 2024Observed: 1.49 ft at 7:45PM Mar 25, 2024Observed: 1.49 ft at 8:00PM Mar 25, 2024Observed: 1.49 ft at 8:15PM Mar 25, 2024Observed: 1.48 ft at 8:30PM Mar 25, 2024Observed: 1.49 ft at 8:45PM Mar 25, 2024Observed: 1.48 ft at 9:00PM Mar 25, 2024Observed: 1.48 ft at 9:15PM Mar 25, 2024Observed: 1.48 ft at 9:30PM Mar 25, 2024Observed: 1.48 ft at 9:45PM Mar 25, 2024Observed: 1.48 ft at 10:00PM Mar 25, 2024Observed: 1.48 ft at 10:15PM Mar 25, 2024Observed: 1.49 ft at 10:30PM Mar 25, 2024Observed: 1.49 ft at 10:45PM Mar 25, 2024Observed: 1.48 ft at 11:00PM Mar 25, 2024Observed: 1.49 ft at 11:15PM Mar 25, 2024Observed: 1.49 ft at 11:30PM Mar 25, 2024Observed: 1.49 ft at 11:45PM Mar 25, 2024Observed: 1.49 ft at 12:00AM Mar 26, 2024Observed: 1.49 ft at 12:15AM Mar 26, 2024Observed: 1.49 ft at 12:30AM Mar 26, 2024Observed: 1.49 ft at 12:45AM Mar 26, 2024Observed: 1.49 ft at 1:00AM Mar 26, 2024Observed: 1.49 ft at 1:15AM Mar 26, 2024Observed: 1.49 ft at 1:30AM Mar 26, 2024Observed: 1.5 ft at 1:45AM Mar 26, 2024Observed: 1.5 ft at 2:00AM Mar 26, 2024Observed: 1.5 ft at 2:15AM Mar 26, 2024Observed: 1.5 ft at 2:30AM Mar 26, 2024Observed: 1.5 ft at 2:45AM Mar 26, 2024Observed: 1.51 ft at 3:00AM Mar 26, 2024Observed: 1.51 ft at 3:15AM Mar 26, 2024Observed: 1.51 ft at 3:30AM Mar 26, 2024Observed: 1.51 ft at 3:45AM Mar 26, 2024Observed: 1.51 ft at 4:00AM Mar 26, 2024Observed: 1.51 ft at 4:15AM Mar 26, 2024Observed: 1.51 ft at 4:30AM Mar 26, 2024Observed: 1.52 ft at 4:45AM Mar 26, 2024Observed: 1.52 ft at 5:00AM Mar 26, 2024Observed: 1.51 ft at 5:15AM Mar 26, 2024Observed: 1.51 ft at 5:30AM Mar 26, 2024Observed: 1.52 ft at 5:45AM Mar 26, 2024Observed: 1.52 ft at 6:00AM Mar 26, 2024Observed: 1.51 ft at 6:15AM Mar 26, 2024Observed: 1.52 ft at 6:30AM Mar 26, 2024Observed: 1.51 ft at 6:45AM Mar 26, 2024Observed: 1.52 ft at 7:00AM Mar 26, 2024Observed: 1.52 ft at 7:15AM Mar 26, 2024Observed: 1.52 ft at 7:30AM Mar 26, 2024Observed: 1.52 ft at 7:45AM Mar 26, 2024Observed: 1.52 ft at 8:00AM Mar 26, 2024Observed: 1.52 ft at 8:15AM Mar 26, 2024Observed: 1.53 ft at 8:30AM Mar 26, 2024Observed: 1.52 ft at 8:45AM Mar 26, 2024Observed: 1.52 ft at 9:00AM Mar 26, 2024Observed: 1.53 ft at 9:15AM Mar 26, 2024Observed: 1.52 ft at 9:30AM Mar 26, 2024Observed: 1.53 ft at 9:45AM Mar 26, 2024Observed: 1.53 ft at 10:00AM Mar 26, 2024Observed: 1.53 ft at 10:15AM Mar 26, 2024Observed: 1.53 ft at 10:30AM Mar 26, 2024Observed: 1.53 ft at 10:45AM Mar 26, 2024Observed: 1.53 ft at 11:00AM Mar 26, 2024Observed: 1.53 ft at 11:15AM Mar 26, 2024Observed: 1.53 ft at 11:30AM Mar 26, 2024Observed: 1.53 ft at 11:45AM Mar 26, 2024Observed: 1.53 ft at 12:00PM Mar 26, 2024Observed: 1.53 ft at 12:15PM Mar 26, 2024Observed: 1.53 ft at 12:30PM Mar 26, 2024Observed: 1.54 ft at 12:45PM Mar 26, 2024Observed: 1.54 ft at 1:00PM Mar 26, 2024Observed: 1.54 ft at 1:15PM Mar 26, 2024Observed: 1.54 ft at 1:30PM Mar 26, 2024Observed: 1.53 ft at 1:45PM Mar 26, 2024Observed: 1.54 ft at 2:00PM Mar 26, 2024Observed: 1.53 ft at 2:15PM Mar 26, 2024Observed: 1.54 ft at 2:30PM Mar 26, 2024Observed: 1.54 ft at 2:45PM Mar 26, 2024Observed: 1.54 ft at 3:00PM Mar 26, 2024Observed: 1.54 ft at 3:15PM Mar 26, 2024Observed: 1.55 ft at 3:30PM Mar 26, 2024Observed: 1.55 ft at 3:45PM Mar 26, 2024Observed: 1.56 ft at 4:00PM Mar 26, 2024Observed: 1.55 ft at 4:15PM Mar 26, 2024Observed: 1.56 ft at 4:30PM Mar 26, 2024Observed: 1.55 ft at 4:45PM Mar 26, 2024Observed: 1.56 ft at 5:00PM Mar 26, 2024Observed: 1.55 ft at 5:15PM Mar 26, 2024Observed: 1.56 ft at 5:30PM Mar 26, 2024Observed: 1.56 ft at 5:45PM Mar 26, 2024Observed: 1.56 ft at 6:00PM Mar 26, 2024Observed: 1.56 ft at 6:15PM Mar 26, 2024Observed: 1.56 ft at 6:30PM Mar 26, 2024Observed: 1.55 ft at 6:45PM Mar 26, 2024Observed: 1.55 ft at 7:00PM Mar 26, 2024Observed: 1.56 ft at 7:15PM Mar 26, 2024Observed: 1.55 ft at 7:30PM Mar 26, 2024Observed: 1.55 ft at 7:45PM Mar 26, 2024Observed: 1.56 ft at 8:00PM Mar 26, 2024Observed: 1.56 ft at 8:15PM Mar 26, 2024Observed: 1.55 ft at 8:30PM Mar 26, 2024Observed: 1.56 ft at 8:45PM Mar 26, 2024Observed: 1.56 ft at 9:00PM Mar 26, 2024Observed: 1.56 ft at 9:15PM Mar 26, 2024Observed: 1.56 ft at 9:30PM Mar 26, 2024Observed: 1.55 ft at 9:45PM Mar 26, 2024Observed: 1.56 ft at 10:00PM Mar 26, 2024Observed: 1.56 ft at 10:15PM Mar 26, 2024Observed: 1.56 ft at 10:30PM Mar 26, 2024Observed: 1.56 ft at 10:45PM Mar 26, 2024Observed: 1.56 ft at 11:00PM Mar 26, 2024Observed: 1.56 ft at 11:15PM Mar 26, 2024Observed: 1.56 ft at 11:30PM Mar 26, 2024Observed: 1.57 ft at 11:45PM Mar 26, 2024Observed: 1.56 ft at 12:00AM Mar 27, 2024Observed: 1.57 ft at 12:15AM Mar 27, 2024Observed: 1.56 ft at 12:30AM Mar 27, 2024Observed: 1.56 ft at 12:45AM Mar 27, 2024Observed: 1.57 ft at 1:00AM Mar 27, 2024Observed: 1.56 ft at 1:15AM Mar 27, 2024Observed: 1.57 ft at 1:30AM Mar 27, 2024Observed: 1.57 ft at 1:45AM Mar 27, 2024Observed: 1.57 ft at 2:00AM Mar 27, 2024Observed: 1.57 ft at 2:15AM Mar 27, 2024Observed: 1.57 ft at 2:30AM Mar 27, 2024Observed: 1.57 ft at 2:45AM Mar 27, 2024Observed: 1.58 ft at 3:00AM Mar 27, 2024Observed: 1.58 ft at 3:15AM Mar 27, 2024Observed: 1.58 ft at 3:30AM Mar 27, 2024Observed: 1.58 ft at 3:45AM Mar 27, 2024Observed: 1.58 ft at 4:00AM Mar 27, 2024Observed: 1.58 ft at 4:15AM Mar 27, 2024Observed: 1.58 ft at 4:30AM Mar 27, 2024Observed: 1.58 ft at 4:45AM Mar 27, 2024Observed: 1.58 ft at 5:00AM Mar 27, 2024Observed: 1.59 ft at 5:15AM Mar 27, 2024Observed: 1.59 ft at 5:30AM Mar 27, 2024Observed: 1.59 ft at 5:45AM Mar 27, 2024Observed: 1.59 ft at 6:00AM Mar 27, 2024Observed: 1.59 ft at 6:15AM Mar 27, 2024Observed: 1.6 ft at 6:30AM Mar 27, 2024Observed: 1.59 ft at 6:45AM Mar 27, 2024Observed: 1.6 ft at 7:00AM Mar 27, 2024Observed: 1.6 ft at 7:15AM Mar 27, 2024Observed: 1.6 ft at 7:30AM Mar 27, 2024Observed: 1.59 ft at 7:45AM Mar 27, 2024Observed: 1.6 ft at 8:00AM Mar 27, 2024Observed: 1.6 ft at 8:15AM Mar 27, 2024Observed: 1.6 ft at 8:30AM Mar 27, 2024Observed: 1.6 ft at 8:45AM Mar 27, 2024Observed: 1.6 ft at 9:00AM Mar 27, 2024Observed: 1.6 ft at 9:15AM Mar 27, 2024Observed: 1.6 ft at 9:30AM Mar 27, 2024Observed: 1.61 ft at 9:45AM Mar 27, 2024Observed: 1.61 ft at 10:00AM Mar 27, 2024Observed: 1.61 ft at 10:15AM Mar 27, 2024Observed: 1.61 ft at 10:30AM Mar 27, 2024Observed: 1.61 ft at 10:45AM Mar 27, 2024Observed: 1.61 ft at 11:00AM Mar 27, 2024Observed: 1.61 ft at 11:15AM Mar 27, 2024Observed: 1.61 ft at 11:30AM Mar 27, 2024Observed: 1.61 ft at 11:45AM Mar 27, 2024Observed: 1.62 ft at 12:00PM Mar 27, 2024Observed: 1.61 ft at 12:15PM Mar 27, 2024Observed: 1.61 ft at 12:30PM Mar 27, 2024Observed: 1.62 ft at 12:45PM Mar 27, 2024Observed: 1.62 ft at 1:00PM Mar 27, 2024Observed: 1.62 ft at 1:15PM Mar 27, 2024Observed: 1.63 ft at 1:30PM Mar 27, 2024Observed: 1.62 ft at 1:45PM Mar 27, 2024Observed: 1.62 ft at 2:00PM Mar 27, 2024Observed: 1.62 ft at 2:15PM Mar 27, 2024Observed: 1.62 ft at 2:30PM Mar 27, 2024Observed: 1.63 ft at 2:45PM Mar 27, 2024Observed: 1.62 ft at 3:00PM Mar 27, 2024Observed: 1.63 ft at 3:15PM Mar 27, 2024Observed: 1.63 ft at 3:30PM Mar 27, 2024Observed: 1.63 ft at 3:45PM Mar 27, 2024Observed: 1.64 ft at 4:00PM Mar 27, 2024Observed: 1.63 ft at 4:15PM Mar 27, 2024Observed: 1.63 ft at 4:30PM Mar 27, 2024Observed: 1.63 ft at 4:45PM Mar 27, 2024Observed: 1.63 ft at 5:00PM Mar 27, 2024Observed: 1.63 ft at 5:15PM Mar 27, 2024Observed: 1.63 ft at 5:30PM Mar 27, 2024Observed: 1.63 ft at 5:45PM Mar 27, 2024Observed: 1.63 ft at 6:00PM Mar 27, 2024Observed: 1.63 ft at 6:15PM Mar 27, 2024Observed: 1.63 ft at 6:30PM Mar 27, 2024Observed: 1.63 ft at 6:45PM Mar 27, 2024Observed: 1.63 ft at 7:00PM Mar 27, 2024Observed: 1.63 ft at 7:15PM Mar 27, 2024Observed: 1.63 ft at 7:30PM Mar 27, 2024Observed: 1.62 ft at 7:45PM Mar 27, 2024Observed: 1.63 ft at 8:00PM Mar 27, 2024Observed: 1.63 ft at 8:15PM Mar 27, 2024Observed: 1.63 ft at 8:30PM Mar 27, 2024Observed: 1.63 ft at 8:45PM Mar 27, 2024Observed: 1.63 ft at 9:00PM Mar 27, 2024Observed: 1.63 ft at 9:15PM Mar 27, 2024Observed: 1.63 ft at 9:30PM Mar 27, 2024Observed: 1.63 ft at 9:45PM Mar 27, 2024Observed: 1.63 ft at 10:00PM Mar 27, 2024Observed: 1.63 ft at 10:15PM Mar 27, 2024Observed: 1.63 ft at 10:30PM Mar 27, 2024Observed: 1.63 ft at 10:45PM Mar 27, 2024Observed: 1.63 ft at 11:00PM Mar 27, 2024Observed: 1.63 ft at 11:15PM Mar 27, 2024Observed: 1.63 ft at 11:30PM Mar 27, 2024Observed: 1.64 ft at 11:45PM Mar 27, 2024Observed: 1.64 ft at 12:00AM Mar 28, 2024Observed: 1.64 ft at 12:15AM Mar 28, 2024Observed: 1.63 ft at 12:30AM Mar 28, 2024Observed: 1.64 ft at 12:45AM Mar 28, 2024Observed: 1.64 ft at 1:00AM Mar 28, 2024Observed: 1.64 ft at 1:15AM Mar 28, 2024Observed: 1.64 ft at 1:30AM Mar 28, 2024Observed: 1.64 ft at 1:45AM Mar 28, 2024Observed: 1.64 ft at 2:00AM Mar 28, 2024Observed: 1.64 ft at 2:15AM Mar 28, 2024Observed: 1.64 ft at 2:30AM Mar 28, 2024Observed: 1.64 ft at 2:45AM Mar 28, 2024Observed: 1.64 ft at 3:00AM Mar 28, 2024Observed: 1.64 ft at 3:15AM Mar 28, 2024Observed: 1.64 ft at 3:30AM Mar 28, 2024Observed: 1.65 ft at 3:45AM Mar 28, 2024Observed: 1.65 ft at 4:00AM Mar 28, 2024Observed: 1.65 ft at 4:15AM Mar 28, 2024Observed: 1.65 ft at 4:30AM Mar 28, 2024Observed: 1.65 ft at 4:45AM Mar 28, 2024Observed: 1.65 ft at 5:00AM Mar 28, 2024Observed: 1.65 ft at 5:15AM Mar 28, 2024Observed: 1.66 ft at 5:30AM Mar 28, 2024Observed: 1.66 ft at 5:45AM Mar 28, 2024Observed: 1.66 ft at 6:00AM Mar 28, 2024Observed: 1.66 ft at 6:15AM Mar 28, 2024Observed: 1.66 ft at 6:30AM Mar 28, 2024Observed: 1.67 ft at 6:45AM Mar 28, 2024Observed: 1.67 ft at 7:00AM Mar 28, 2024Observed: 1.67 ft at 7:15AM Mar 28, 2024Observed: 1.68 ft at 7:30AM Mar 28, 2024Observed: 1.68 ft at 7:45AM Mar 28, 2024Observed: 1.68 ft at 8:00AM Mar 28, 2024Observed: 1.69 ft at 8:15AM Mar 28, 2024Observed: 1.68 ft at 8:30AM Mar 28, 2024Observed: 1.69 ft at 8:45AM Mar 28, 2024Observed: 1.69 ft at 9:00AM Mar 28, 2024Observed: 1.7 ft at 9:15AM Mar 28, 2024Observed: 1.71 ft at 9:30AM Mar 28, 2024Observed: 1.71 ft at 9:45AM Mar 28, 2024Highest Observation: 1.72 ft at 10:00AM Mar 28, 2024Observed: 1.71 ft at 10:15AM Mar 28, 2024Highest Observation: 1.72 ft at 10:30AM Mar 28, 2024Highest Observation: 1.72 ft at 10:45AM Mar 28, 2024USGS--Water Resources of the United StatesDEHI4(plotting HGIRG) Graph Created (11:30AM Mar 28, 2024)ObservedLatest observed value: 1.72 ft at 10:45 AM CDT 28-Mar-2024. Flood Stage is 12 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Upper Iowa River at Decorah are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Decorah 3NW Upstream Gauge Downstream Gauge Downstream Gauge - at Dorchester
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) 14.35 ft on 08/17/1993
(3) 13.68 ft on 08/24/2016
(4) 13.08 ft on 03/27/1961
(5) 12.31 ft on 06/01/2000
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.36 ft on 02/27/2023
(2) 5.09 ft on 07/24/2022
(3) 9.30 ft on 08/30/2021
(4) 7.46 ft on 06/10/2020
(5) 9.44 ft on 03/15/2019
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.

Zoom Level:15
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
(3) Upstream view at gage, November 30th, 2023, Stage = 1.53ft
(4) Downstream view at gage, November 30th, 2023, Stage = 1.53ft
(5) Upstream view at 5th Ave, November 30th, 2023, Stage = 1.53ft
(6) Downstream view at 5th Ave, November 30th, 2023, Stage = 1.53ft
(7) Upstream view at College Dr, November 30th, 2023, Stage = 1.53ft
(8) Downstream view at College Dr, November 30th, 2023, Stage = 1.53ft
About This Location Collapse

Latitude: 43.304900° N, Longitude: 91.795500° W, Horizontal Datum: NAD27

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 850.07 ft 862.07 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 850 ft 862 ft 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:

Additional Information Collapse
  • How low could the river get?
  • Link to text page with Hourly River Stage Level and Water Temperatures
  • Resources Collapse
    Hydrologic Resources Additional Resources
    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
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    Page last modified: 2-Nov-2020 7:29 PM
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