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
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Mississippi River at Genoa Tailwater (ft)Flow (kcfs)Observed: 625.88 ft at 6:00AM May 27, 2015Observed: 625.88 ft at 8:00AM May 27, 2015Observed: 625.91 ft at 12:00PM May 27, 2015Observed: 625.91 ft at 4:00PM May 27, 2015Observed: 625.91 ft at 4:01PM May 27, 2015Observed: 625.91 ft at 4:30PM May 27, 2015Observed: 625.91 ft at 5:43PM May 27, 2015Observed: 626.01 ft at 8:00PM May 27, 2015Observed: 626.05 ft at 12:00AM May 28, 2015Observed: 626.04 ft at 4:00AM May 28, 2015Observed: 626.06 ft at 6:00AM May 28, 2015Observed: 626.06 ft at 8:00AM May 28, 2015Observed: 626.07 ft at 12:00PM May 28, 2015Observed: 626.15 ft at 4:00PM May 28, 2015Observed: 626.15 ft at 4:01PM May 28, 2015Observed: 626.15 ft at 4:30PM May 28, 2015Observed: 626.15 ft at 5:43PM May 28, 2015Observed: 626.18 ft at 8:00PM May 28, 2015Observed: 626.2 ft at 12:00AM May 29, 2015Observed: 626.22 ft at 4:00AM May 29, 2015Observed: 626.22 ft at 6:00AM May 29, 2015Observed: 626.22 ft at 8:00AM May 29, 2015Observed: 626.23 ft at 12:00PM May 29, 2015Observed: 626.31 ft at 4:00PM May 29, 2015Observed: 626.31 ft at 4:01PM May 29, 2015Observed: 626.31 ft at 4:30PM May 29, 2015Observed: 626.31 ft at 5:43PM May 29, 2015Highest Observation: 626.58 ft at 12:43AM May 30, 2015Forecast: 626.7 ft 7:00AM May 30, 2015Forecast: 626.8 ft 1:00PM May 30, 2015Forecast: 627 ft 7:00PM May 30, 2015Forecast: 627.1 ft 1:00AM May 31, 2015Forecast: 627.3 ft 7:00AM May 31, 2015Forecast: 627.5 ft 1:00PM May 31, 2015Forecast: 627.7 ft 7:00PM May 31, 2015Forecast: 627.9 ft 1:00AM Jun 01, 2015Forecast: 628 ft 7:00AM Jun 01, 2015Forecast: 628.1 ft 1:00PM Jun 01, 2015Forecast: 628.2 ft 7:00PM Jun 01, 2015Forecast: 628.2 ft 1:00AM Jun 02, 2015Forecast: 628.2 ft 7:00AM Jun 02, 2015Forecast: 628.3 ft 1:00PM Jun 02, 2015Forecast: 628.3 ft 7:00PM Jun 02, 2015Forecast: 628.3 ft 1:00AM Jun 03, 2015Forecast: 628.3 ft 7:00AM Jun 03, 2015Highest Forecast: 628.4 ft 1:00PM Jun 03, 2015Highest Forecast: 628.4 ft 7:00PM Jun 03, 2015Highest Forecast: 628.4 ft 1:00AM Jun 04, 2015Highest Forecast: 628.4 ft 7:00AM Jun 04, 2015Highest Forecast: 628.4 ft 1:00PM Jun 04, 2015Forecast: 628.3 ft 7:00PM Jun 04, 2015Forecast: 628.3 ft 1:00AM Jun 05, 2015Forecast: 628.3 ft 7:00AM Jun 05, 2015Forecast: 628.2 ft 1:00PM Jun 05, 2015Forecast: 628.2 ft 7:00PM Jun 05, 2015GENW3(plotting HTIRZ) Graph Created (5:30AM May 30, 2015)ObservedForecast (issued 9:05PM May 29)Latest observed value: 626.58 ft at 12:43 AM CDT 30-May-2015. Flood Stage is 631 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Mississippi River at Genoa are issued routinely during the warm season, and as needed at other times of the year.

Return to Area Map
Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Lansing
Flood Categories (in feet)
Major Flood Stage: 636
Moderate Flood Stage: 634
Flood Stage: 631
Action Stage: 629
Low Stage (in feet): 0

Historic Crests
(1) 638.40 ft on 04/22/1965
(2) 636.45 ft on 04/12/1997
(3) 636.21 ft on 04/18/2001
(4) 635.24 ft on 04/20/1969
(5) 634.52 ft on 04/20/1952
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 633.50 ft on 04/16/2011
(2) 632.40 ft on 09/28/2010 (P)
(3) 636.21 ft on 04/18/2001
(4) 636.45 ft on 04/12/1997
(5) 631.96 ft on 04/26/1996
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 615.30 ft on 08/18/1936
(2) 616.09 ft on 10/09/1937
(3) 617.39 ft on 01/21/1938
Show More Low Water Records

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
639.5 Water begins to go over the protective earthen dikes.
639 Water begins to flow over the lock walls at Dam 8.
638.4 Water levels reach the flood of record.
636 Lock and dam 8 is closed to navigation.
Photos
(1) Upstream view at Genoa Dam 8, October 16th, 2012
(2) Downstream view at Genoa Dam 8, October 16th, 2012
About This Location Collapse

Latitude: 43.569444° N, Longitude: 91.229722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 616.8 ft 631 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 616.8)
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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available U.S. Army Corps of Engineers utilizes the 1912 Datum

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
    Ask Questions/Webmaster
    Page last modified: 12-Feb-2015 9:33 PM
    Disclaimer
    Credits
    Glossary
    Privacy Policy
    About Us
    Career Opportunities