National Weather Service Advanced Hydrologic Prediction Service

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This probabilistic forecast is issued by the North Central River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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.

Return to Area Map

Upstream Gauge

Downstream Gauge

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) 18.81 ft on 04/26/2023 (P)
(5) 18.30 ft on 04/11/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.81 ft on 04/26/2023 (P)
(2) 15.13 ft on 05/25/2019
(3) 17.30 ft on 04/03/2019
(4) 13.44 ft on 05/24/2017
(5) 15.52 ft on 07/02/2014
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

	Gauge Location	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

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.
12.5	Spillway lot and Saint Charles Street boat launch is barricaded.
10.5	Pumping stations are put into operation along Washington, Kansas, and High Forest streets.
10	Olmstead Street Pumping Station is put into operation.
9	East Riverfront Street along Levee Park 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

How low could the river get?

Link to text page with Hourly River Stage Level and Water Temperatures

Collaborative Agencies

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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