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Hydrograph River at a Glance Download
Mississippi River below Lock and Dam 6 - Trempealeau Tailwater (ft)Flow (kcfs)Observed: 641.51 ft at 12:15AM Apr 29, 2024Observed: 641.51 ft at 12:30AM Apr 29, 2024Observed: 641.51 ft at 12:45AM Apr 29, 2024Observed: 641.51 ft at 1:00AM Apr 29, 2024Observed: 641.51 ft at 1:15AM Apr 29, 2024Observed: 641.51 ft at 1:30AM Apr 29, 2024Observed: 641.51 ft at 1:45AM Apr 29, 2024Observed: 641.51 ft at 2:00AM Apr 29, 2024Observed: 641.54 ft at 2:15AM Apr 29, 2024Observed: 641.51 ft at 2:30AM Apr 29, 2024Observed: 641.51 ft at 2:45AM Apr 29, 2024Observed: 641.5 ft at 3:00AM Apr 29, 2024Observed: 641.51 ft at 3:15AM Apr 29, 2024Observed: 641.5 ft at 3:30AM Apr 29, 2024Observed: 641.51 ft at 3:45AM Apr 29, 2024Observed: 641.51 ft at 4:00AM Apr 29, 2024Observed: 641.51 ft at 4:15AM Apr 29, 2024Observed: 641.51 ft at 4:30AM Apr 29, 2024Observed: 641.51 ft at 4:45AM Apr 29, 2024Observed: 641.51 ft at 5:00AM Apr 29, 2024Observed: 641.51 ft at 5:15AM Apr 29, 2024Observed: 641.51 ft at 5:30AM Apr 29, 2024Observed: 641.51 ft at 5:45AM Apr 29, 2024Observed: 641.51 ft at 6:00AM Apr 29, 2024Observed: 641.51 ft at 6:15AM Apr 29, 2024Observed: 641.51 ft at 6:30AM Apr 29, 2024Observed: 641.51 ft at 6:45AM Apr 29, 2024Observed: 641.51 ft at 7:00AM Apr 29, 2024Observed: 641.51 ft at 7:15AM Apr 29, 2024Observed: 641.51 ft at 7:30AM Apr 29, 2024Observed: 641.51 ft at 7:45AM Apr 29, 2024Observed: 641.51 ft at 8:00AM Apr 29, 2024Observed: 641.52 ft at 8:15AM Apr 29, 2024Observed: 641.52 ft at 8:30AM Apr 29, 2024Observed: 641.52 ft at 8:45AM Apr 29, 2024Observed: 641.52 ft at 9:00AM Apr 29, 2024Observed: 641.51 ft at 9:15AM Apr 29, 2024Observed: 641.53 ft at 9:30AM Apr 29, 2024Observed: 641.52 ft at 9:45AM Apr 29, 2024Observed: 641.52 ft at 10:00AM Apr 29, 2024Observed: 641.53 ft at 10:15AM Apr 29, 2024Observed: 641.53 ft at 10:30AM Apr 29, 2024Observed: 641.52 ft at 10:45AM Apr 29, 2024Observed: 641.53 ft at 11:00AM Apr 29, 2024Observed: 641.53 ft at 11:15AM Apr 29, 2024Observed: 641.53 ft at 11:30AM Apr 29, 2024Observed: 641.53 ft at 11:45AM Apr 29, 2024Observed: 641.53 ft at 12:00PM Apr 29, 2024Observed: 641.53 ft at 12:15PM Apr 29, 2024Observed: 641.52 ft at 12:30PM Apr 29, 2024Observed: 641.54 ft at 12:45PM Apr 29, 2024Observed: 641.54 ft at 1:00PM Apr 29, 2024Observed: 641.53 ft at 1:15PM Apr 29, 2024Observed: 641.54 ft at 1:30PM Apr 29, 2024Observed: 641.54 ft at 1:45PM Apr 29, 2024Observed: 641.54 ft at 2:00PM Apr 29, 2024Observed: 641.54 ft at 2:15PM Apr 29, 2024Observed: 641.54 ft at 2:30PM Apr 29, 2024Observed: 641.54 ft at 2:45PM Apr 29, 2024Observed: 641.54 ft at 3:00PM Apr 29, 2024Observed: 641.54 ft at 3:15PM Apr 29, 2024Observed: 641.55 ft at 3:30PM Apr 29, 2024Observed: 641.54 ft at 3:45PM Apr 29, 2024Observed: 641.54 ft at 4:00PM Apr 29, 2024Observed: 641.54 ft at 4:15PM Apr 29, 2024Observed: 641.54 ft at 4:30PM Apr 29, 2024Observed: 641.54 ft at 4:45PM Apr 29, 2024Observed: 641.54 ft at 5:00PM Apr 29, 2024Observed: 641.54 ft at 5:15PM Apr 29, 2024Observed: 641.54 ft at 5:30PM Apr 29, 2024Observed: 641.55 ft at 5:45PM Apr 29, 2024Observed: 641.55 ft at 6:00PM Apr 29, 2024Observed: 641.55 ft at 6:15PM Apr 29, 2024Observed: 641.58 ft at 6:30PM Apr 29, 2024Observed: 641.58 ft at 6:45PM Apr 29, 2024Observed: 641.57 ft at 7:00PM Apr 29, 2024Observed: 641.55 ft at 7:15PM Apr 29, 2024Observed: 641.55 ft at 7:30PM Apr 29, 2024Observed: 641.56 ft at 7:45PM Apr 29, 2024Observed: 641.56 ft at 8:00PM Apr 29, 2024Observed: 641.58 ft at 8:15PM Apr 29, 2024Observed: 641.56 ft at 8:30PM Apr 29, 2024Observed: 641.59 ft at 8:45PM Apr 29, 2024Observed: 641.57 ft at 9:00PM Apr 29, 2024Observed: 641.57 ft at 9:15PM Apr 29, 2024Observed: 641.58 ft at 9:30PM Apr 29, 2024Observed: 641.56 ft at 9:45PM Apr 29, 2024Observed: 641.57 ft at 10:00PM Apr 29, 2024Observed: 641.63 ft at 10:15PM Apr 29, 2024Observed: 641.53 ft at 10:30PM Apr 29, 2024Observed: 641.54 ft at 10:45PM Apr 29, 2024Observed: 641.54 ft at 11:00PM Apr 29, 2024Observed: 641.59 ft at 11:15PM Apr 29, 2024Observed: 641.56 ft at 11:30PM Apr 29, 2024Observed: 641.56 ft at 11:45PM Apr 29, 2024Observed: 641.56 ft at 12:00AM Apr 30, 2024Observed: 641.56 ft at 12:15AM Apr 30, 2024Observed: 641.59 ft at 12:30AM Apr 30, 2024Observed: 641.57 ft at 12:45AM Apr 30, 2024Observed: 641.56 ft at 1:00AM Apr 30, 2024Observed: 641.56 ft at 1:15AM Apr 30, 2024Observed: 641.56 ft at 1:30AM Apr 30, 2024Observed: 641.56 ft at 1:45AM Apr 30, 2024Observed: 641.56 ft at 2:00AM Apr 30, 2024Observed: 641.56 ft at 2:15AM Apr 30, 2024Observed: 641.56 ft at 2:30AM Apr 30, 2024Observed: 641.56 ft at 2:45AM Apr 30, 2024Observed: 641.56 ft at 3:00AM Apr 30, 2024Observed: 641.57 ft at 3:15AM Apr 30, 2024Observed: 641.56 ft at 4:30AM Apr 30, 2024Observed: 641.56 ft at 4:45AM Apr 30, 2024Observed: 641.57 ft at 5:00AM Apr 30, 2024Observed: 641.57 ft at 5:15AM Apr 30, 2024Observed: 641.57 ft at 5:30AM Apr 30, 2024Observed: 641.57 ft at 5:45AM Apr 30, 2024Observed: 641.57 ft at 6:00AM Apr 30, 2024Observed: 641.58 ft at 6:15AM Apr 30, 2024Observed: 641.57 ft at 6:30AM Apr 30, 2024Observed: 641.58 ft at 6:45AM Apr 30, 2024Observed: 641.59 ft at 7:00AM Apr 30, 2024Observed: 641.59 ft at 7:15AM Apr 30, 2024Observed: 641.6 ft at 7:30AM Apr 30, 2024Observed: 641.53 ft at 7:45AM Apr 30, 2024Observed: 641.6 ft at 8:00AM Apr 30, 2024Observed: 641.53 ft at 8:15AM Apr 30, 2024Observed: 641.5 ft at 8:30AM Apr 30, 2024Observed: 641.55 ft at 8:45AM Apr 30, 2024Observed: 641.56 ft at 9:00AM Apr 30, 2024Observed: 641.56 ft at 9:15AM Apr 30, 2024Observed: 641.55 ft at 9:30AM Apr 30, 2024Observed: 641.56 ft at 9:45AM Apr 30, 2024Observed: 641.56 ft at 10:00AM Apr 30, 2024Observed: 641.56 ft at 10:15AM Apr 30, 2024Observed: 641.55 ft at 10:30AM Apr 30, 2024Observed: 641.56 ft at 10:45AM Apr 30, 2024Observed: 641.55 ft at 11:00AM Apr 30, 2024Observed: 641.55 ft at 11:15AM Apr 30, 2024Observed: 641.55 ft at 11:30AM Apr 30, 2024Observed: 641.55 ft at 11:45AM Apr 30, 2024Observed: 641.56 ft at 12:00PM Apr 30, 2024Observed: 641.56 ft at 12:15PM Apr 30, 2024Observed: 641.56 ft at 12:30PM Apr 30, 2024Observed: 641.57 ft at 12:45PM Apr 30, 2024Observed: 641.55 ft at 1:00PM Apr 30, 2024Observed: 641.55 ft at 1:15PM Apr 30, 2024Observed: 641.55 ft at 2:30PM Apr 30, 2024Observed: 641.55 ft at 2:45PM Apr 30, 2024Observed: 641.55 ft at 3:00PM Apr 30, 2024Observed: 641.55 ft at 3:15PM Apr 30, 2024Observed: 641.56 ft at 3:30PM Apr 30, 2024Observed: 641.56 ft at 3:45PM Apr 30, 2024Observed: 641.55 ft at 4:00PM Apr 30, 2024Observed: 641.55 ft at 4:15PM Apr 30, 2024Observed: 641.57 ft at 4:30PM Apr 30, 2024Observed: 641.56 ft at 4:45PM Apr 30, 2024Observed: 641.56 ft at 5:00PM Apr 30, 2024Observed: 641.56 ft at 5:15PM Apr 30, 2024Observed: 641.55 ft at 5:30PM Apr 30, 2024Observed: 641.55 ft at 5:45PM Apr 30, 2024Observed: 641.55 ft at 6:00PM Apr 30, 2024Observed: 641.55 ft at 6:15PM Apr 30, 2024Observed: 641.56 ft at 6:30PM Apr 30, 2024Observed: 641.56 ft at 6:45PM Apr 30, 2024Observed: 641.56 ft at 7:00PM Apr 30, 2024Observed: 641.55 ft at 7:15PM Apr 30, 2024Observed: 641.55 ft at 7:30PM Apr 30, 2024Observed: 641.55 ft at 7:45PM Apr 30, 2024Observed: 641.55 ft at 8:00PM Apr 30, 2024Observed: 641.54 ft at 8:15PM Apr 30, 2024Observed: 641.54 ft at 8:30PM Apr 30, 2024Observed: 641.54 ft at 8:45PM Apr 30, 2024Observed: 641.55 ft at 9:00PM Apr 30, 2024Observed: 641.56 ft at 9:15PM Apr 30, 2024Observed: 641.55 ft at 9:30PM Apr 30, 2024Observed: 641.55 ft at 9:45PM Apr 30, 2024Observed: 641.56 ft at 10:00PM Apr 30, 2024Observed: 641.57 ft at 10:15PM Apr 30, 2024Observed: 641.56 ft at 10:30PM Apr 30, 2024Observed: 641.57 ft at 10:45PM Apr 30, 2024Observed: 641.58 ft at 11:00PM Apr 30, 2024Observed: 641.58 ft at 11:15PM Apr 30, 2024Observed: 641.58 ft at 11:30PM Apr 30, 2024Observed: 641.59 ft at 11:45PM Apr 30, 2024Observed: 641.59 ft at 12:00AM May 01, 2024Observed: 641.59 ft at 12:15AM May 01, 2024Observed: 641.59 ft at 12:30AM May 01, 2024Observed: 641.59 ft at 12:45AM May 01, 2024Observed: 641.59 ft at 1:00AM May 01, 2024Observed: 641.6 ft at 1:15AM May 01, 2024Observed: 641.6 ft at 1:30AM May 01, 2024Observed: 641.6 ft at 1:45AM May 01, 2024Observed: 641.6 ft at 2:00AM May 01, 2024Observed: 641.6 ft at 2:15AM May 01, 2024Observed: 641.6 ft at 2:30AM May 01, 2024Observed: 641.6 ft at 2:45AM May 01, 2024Observed: 641.6 ft at 3:00AM May 01, 2024Observed: 641.6 ft at 3:15AM May 01, 2024Observed: 641.59 ft at 3:30AM May 01, 2024Observed: 641.59 ft at 3:45AM May 01, 2024Observed: 641.59 ft at 4:00AM May 01, 2024Observed: 641.59 ft at 4:15AM May 01, 2024Observed: 641.6 ft at 4:30AM May 01, 2024Observed: 641.61 ft at 4:45AM May 01, 2024Observed: 641.6 ft at 5:00AM May 01, 2024Observed: 641.6 ft at 5:15AM May 01, 2024Observed: 641.6 ft at 5:30AM May 01, 2024Observed: 641.6 ft at 5:45AM May 01, 2024Observed: 641.6 ft at 6:00AM May 01, 2024Observed: 641.6 ft at 6:15AM May 01, 2024Observed: 641.61 ft at 6:30AM May 01, 2024Observed: 641.61 ft at 6:45AM May 01, 2024Observed: 641.6 ft at 7:00AM May 01, 2024Observed: 641.6 ft at 7:15AM May 01, 2024Observed: 641.6 ft at 7:30AM May 01, 2024Observed: 641.6 ft at 7:45AM May 01, 2024Observed: 641.61 ft at 8:00AM May 01, 2024Observed: 641.62 ft at 8:15AM May 01, 2024Observed: 641.68 ft at 8:30AM May 01, 2024Observed: 641.73 ft at 8:45AM May 01, 2024Observed: 641.73 ft at 9:00AM May 01, 2024Observed: 641.73 ft at 9:15AM May 01, 2024Observed: 641.74 ft at 9:30AM May 01, 2024Observed: 641.74 ft at 9:45AM May 01, 2024Observed: 641.75 ft at 10:00AM May 01, 2024Observed: 641.75 ft at 10:15AM May 01, 2024Observed: 641.75 ft at 10:30AM May 01, 2024Observed: 641.75 ft at 10:45AM May 01, 2024Observed: 641.76 ft at 11:00AM May 01, 2024Observed: 641.74 ft at 11:15AM May 01, 2024Observed: 641.75 ft at 11:30AM May 01, 2024Observed: 641.74 ft at 11:45AM May 01, 2024Observed: 641.76 ft at 12:00PM May 01, 2024Observed: 641.75 ft at 12:15PM May 01, 2024Observed: 641.75 ft at 12:30PM May 01, 2024Observed: 641.75 ft at 12:45PM May 01, 2024Observed: 641.74 ft at 1:00PM May 01, 2024Observed: 641.74 ft at 1:15PM May 01, 2024Observed: 641.75 ft at 1:30PM May 01, 2024Observed: 641.75 ft at 1:45PM May 01, 2024Observed: 641.74 ft at 2:00PM May 01, 2024Observed: 641.75 ft at 2:15PM May 01, 2024Observed: 641.75 ft at 2:30PM May 01, 2024Observed: 641.76 ft at 2:45PM May 01, 2024Observed: 641.76 ft at 3:00PM May 01, 2024Highest Observation: 641.77 ft at 3:15PM May 01, 2024Highest Observation: 641.77 ft at 3:30PM May 01, 2024Observed: 641.73 ft at 3:45PM May 01, 2024Observed: 641.72 ft at 4:00PM May 01, 2024Observed: 641.73 ft at 4:15PM May 01, 2024Observed: 641.76 ft at 4:30PM May 01, 2024Observed: 641.74 ft at 4:45PM May 01, 2024Observed: 641.76 ft at 5:00PM May 01, 2024Observed: 641.75 ft at 5:15PM May 01, 2024Observed: 641.75 ft at 5:30PM May 01, 2024Observed: 641.75 ft at 5:45PM May 01, 2024Observed: 641.75 ft at 6:00PM May 01, 2024Observed: 641.75 ft at 6:15PM May 01, 2024Observed: 641.75 ft at 6:30PM May 01, 2024Observed: 641.76 ft at 6:45PM May 01, 2024Observed: 641.76 ft at 7:00PM May 01, 2024Observed: 641.76 ft at 7:15PM May 01, 2024Highest Observation: 641.77 ft at 7:30PM May 01, 2024Observed: 641.76 ft at 7:45PM May 01, 2024Observed: 641.76 ft at 8:00PM May 01, 2024Observed: 641.75 ft at 8:15PM May 01, 2024Observed: 641.75 ft at 8:30PM May 01, 2024Observed: 641.76 ft at 8:45PM May 01, 2024Observed: 641.76 ft at 9:00PM May 01, 2024Observed: 641.76 ft at 9:15PM May 01, 2024Observed: 641.76 ft at 9:30PM May 01, 2024Observed: 641.76 ft at 9:45PM May 01, 2024Observed: 641.76 ft at 10:00PM May 01, 2024Observed: 641.76 ft at 10:15PM May 01, 2024Observed: 641.76 ft at 10:30PM May 01, 2024Observed: 641.76 ft at 10:45PM May 01, 2024Observed: 641.76 ft at 11:00PM May 01, 2024Observed: 641.76 ft at 11:15PM May 01, 2024Forecast: 641.8 ft 1:00AM May 02, 2024Forecast: 641.9 ft 7:00AM May 02, 2024Forecast: 642 ft 1:00PM May 02, 2024Forecast: 642 ft 7:00PM May 02, 2024Forecast: 642.1 ft 1:00AM May 03, 2024Forecast: 642.1 ft 7:00AM May 03, 2024Forecast: 642.1 ft 1:00PM May 03, 2024Forecast: 642.1 ft 7:00PM May 03, 2024Forecast: 642.2 ft 1:00AM May 04, 2024Forecast: 642.2 ft 7:00AM May 04, 2024Forecast: 642.3 ft 1:00PM May 04, 2024Forecast: 642.4 ft 7:00PM May 04, 2024Forecast: 642.5 ft 1:00AM May 05, 2024Forecast: 642.6 ft 7:00AM May 05, 2024Forecast: 642.7 ft 1:00PM May 05, 2024Forecast: 642.9 ft 7:00PM May 05, 2024Forecast: 643 ft 1:00AM May 06, 2024Forecast: 643.1 ft 7:00AM May 06, 2024Forecast: 643.3 ft 1:00PM May 06, 2024Forecast: 643.4 ft 7:00PM May 06, 2024Forecast: 643.5 ft 1:00AM May 07, 2024Forecast: 643.6 ft 7:00AM May 07, 2024Forecast: 643.7 ft 1:00PM May 07, 2024Forecast: 643.7 ft 7:00PM May 07, 2024Forecast: 643.8 ft 1:00AM May 08, 2024Forecast: 643.9 ft 7:00AM May 08, 2024Forecast: 643.9 ft 1:00PM May 08, 2024Highest Forecast: 644 ft 7:00PM May 08, 2024USACE - Building StrongTREW3(plotting HTIRG) Graph Created (12:00AM May 2, 2024)ObservedForecast (issued 8:48PM May 1)Latest observed value: 641.76 ft at 11:15 PM CDT 1-May-2024. Flood Stage is 647 ft
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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 below Lock and Dam 6 - Trempealeau are issued routinely during the navigation season, and as needed at other times of the year.

Vertical Datum is the USACE 1912 datum

Return to Area Map
Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - below Lock and Dam 7 - La Crescent
Flood Categories (in feet)
Major Flood Stage: 651
Moderate Flood Stage: 649
Flood Stage: 647
Action Stage: 644
Low Stage (in feet): -9999

Historic Crests
(1) 653.02 ft on 04/21/1965
(2) 651.43 ft on 04/18/2001
(3) 651.40 ft on 04/11/1997
(4) 651.01 ft on 04/25/2023 (P)
(5) 650.80 ft on 04/19/1969
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 651.01 ft on 04/25/2023 (P)
(2) 648.53 ft on 05/25/2019
(3) 649.80 ft on 04/03/2019
(4) 647.34 ft on 05/24/2017
(5) 648.86 ft on 07/02/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 631.04 ft on 07/30/1936
(2) 633.71 ft on 01/01/1937
(3) 636.89 ft on 01/28/1944
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
654.5 Water begins to flow over the lock walls and the protective earthen dikes.
653.02 Water levels reach the flood of record.
651.5 Lock and dam 6 is closed to navigation.
648 Approximately when Lake Road is closed to all traffic.
647 Water is across Lake Road at Pickeral Path - the road is closed to local traffic only.
646.5 Water reaches the edge of the blacktop on Lake Road near Pickeral Path.
646 Peninsula Drive by the boat landing is covered by water.
Photos
(1) Upstream View at Trempealeau, September 11th, 2012
(2) Downstream View at Trempealeau, September 11th, 2012
About This Location Collapse

Latitude: 43.998600° N, Longitude: 91.435700° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 647 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 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 0.0 ft 647.0 ft 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
  • Link to river gage data along Navigational Mississippi River from Twin Cities to Lock and Dam 10
  • Link to Lock & Dam data and other locations in USACE’s St. Paul District
  • 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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