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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 Winona are issued routinely during the warm season, and as needed at other times of the year.
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Upstream Gauge - at Winona Dam 5a Upstream Gauge Downstream Gauge Downstream Gauge - at Trempealeau
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 18
Moderate Flood Stage: 15
Flood Stage: 13
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 20.77 ft on 04/19/1965
(2) 20.07 ft on 04/17/2001
(3) 19.44 ft on 04/19/1969
(4) 18.30 ft on 04/11/1997
(5) 17.93 ft on 04/20/1952
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.13 ft on 05/25/2019
(2) 17.30 ft on 04/03/2019
(3) 13.44 ft on 05/24/2017
(4) 15.52 ft on 07/02/2014
(5) 16.58 ft on 04/15/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.95 ft on 01/27/1944
(2) 3.57 ft on 01/05/1946
(3) 3.60 ft on 02/03/1945
Show More Low Water Records
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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
25 Water levels reach the top of the emergency dike.
24 Water overtops the levee downtown.
22 Water levels reach the designed dike protection level.
20.77 The water reaches the flood of record set in 1965.
20.5 Railroad lines go under water.
17 Some railroad lines may become inoperative.
16.6 Lock and Dam 6 goes out of operation.
16 Lock and Dam 5A goes out of operation.
13 Prairie Island Park begins to flood. Pumping operations are underway by the city of Winona, and dike patrols are started.
9 East Riverfront Street is closed due to flooding.
Photos
(1) Upstream view at Winona, October 4th, 2011, Stage = 5.56 ft
(2) Downstream view at Winona, October 4th, 2011, Stage = 5.56 ft

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
    • 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     		Disclaimer
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