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Advanced Hydrologic Prediction Service
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This probabilistic forecast is issued by the North Central River Forecast Center.
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About this graph
Forecasts for the Mississippi River at Lansing - Pool 9 are issued routinely during the navigation season, and as needed at other times of the year.

Vertical Datum is the USACE 1912 datum

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - below Lock and Dam 9 - Lynxville
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 19
Flood Stage: 17
Action Stage: 12
Low Stage (in feet): -9999

Historic Crests
(1) 22.50 ft on 04/24/1965
(2) 19.93 ft on 04/21/2001
(3) 19.90 ft on 06/20/1880
(4) 19.61 ft on 04/28/2023 (P)
(5) 18.88 ft on 04/22/1969
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 19.61 ft on 04/28/2023 (P)
(2) 17.03 ft on 05/01/2019
(3) 17.83 ft on 04/26/2019
(4) 17.89 ft on 04/04/2019
(5) 17.61 ft on 04/18/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 3.39 ft on 03/13/1938
(2) 4.19 ft on 01/23/1944
(3) 6.09 ft on 11/27/1942
Show More Low Water Records
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Gauge LocationGauge Map Marker
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
24 The water reaches the top of the dikes.
23 Interstate Power steam plant becomes inoperative.
22.5 The water reaches the flood of record set in 1965.
21 Dairyland Power becomes inoperative.
20 The Wisconsin Highway 82 river crossing between Highway 35 and Lansing is closed.
19.8 Water from the storm sewer system covers the 700 block of South Front Street.
18.8 Water begins to cover Highway X52 by the wastewater treatment plant.
18.6 Water from the storm sewer system covers the 400 block of South Front Street.
18.2 Lock and Dam 9 goes out of operation.
17.89 Water from the storm sewer system reaches the 300 and 500 blocks of South Front Street.
17.6 Water from the storm sewer system covers the 600 block of South Front Street.
14.9 River water back flows into Hogan Park by the sewer by-pass.
14.5 River water back flows onto the ball park diamond via the lift station bypass.
(1) Upstream view at Lansing, September 28th, 2011
(2) Downstream view at Lansing, September 28th, 2011

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
  • 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‚Äôs St. Paul District
  • 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.
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