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Hydrograph River at a Glance Download
Mississippi River at Genoa Tailwater (ft)Flow (kcfs)Observed: 622.73 ft at 4:00PM Dec 19, 2014Observed: 622.73 ft at 4:01PM Dec 19, 2014Observed: 622.73 ft at 4:30PM Dec 19, 2014Observed: 622.73 ft at 5:43PM Dec 19, 2014Observed: 622.74 ft at 8:00PM Dec 19, 2014Observed: 622.75 ft at 12:00AM Dec 20, 2014Observed: 622.76 ft at 4:00AM Dec 20, 2014Observed: 622.76 ft at 6:00AM Dec 20, 2014Observed: 622.76 ft at 8:00AM Dec 20, 2014Observed: 622.88 ft at 5:43PM Dec 20, 2014Observed: 622.88 ft at 8:00PM Dec 20, 2014Observed: 622.88 ft at 12:00AM Dec 21, 2014Observed: 622.88 ft at 12:43AM Dec 21, 2014Observed: 622.89 ft at 4:00AM Dec 21, 2014Observed: 622.89 ft at 6:00AM Dec 21, 2014Observed: 622.89 ft at 8:00AM Dec 21, 2014Observed: 623.1 ft at 12:00PM Dec 21, 2014Observed: 623.16 ft at 4:00PM Dec 21, 2014Observed: 623.16 ft at 4:30PM Dec 21, 2014Observed: 623.16 ft at 5:43PM Dec 21, 2014Highest Observation: 623.19 ft at 8:00PM Dec 21, 2014Observed: 623.17 ft at 12:00AM Dec 22, 2014Observed: 623.17 ft at 12:43AM Dec 22, 2014Observed: 623.17 ft at 4:00AM Dec 22, 2014Observed: 623.17 ft at 6:00AM Dec 22, 2014Observed: 623.17 ft at 8:00AM Dec 22, 2014GENW3(plotting HTIRZ) Graph Created (1:45PM Dec 22, 2014)ObservedLatest observed value: 623.17 ft at 8:00 AM CST 22-Dec-2014. Flood Stage is 631 ft
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Tabular Data (UTC)
Tabular Data (CST)
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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.

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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
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(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.

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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
640 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, May 3, 2005
(2) Downstream View, May 3, 2005
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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 616.8 ft 631 ft U.S. Army Corps of Engineers utilizes the 1912 Datum

Current/Historical Observations:

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  • Link to text page with Hourly River Stage Level and Water Temperatures
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    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: 20-Nov-2014 2:54 AM
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