Mississippi River at Winona - Pool 6
Observed Sat, Sep 26, 6:45 PM CDT
- Flood stage
- 13.00 ft
- Forecast crest
- 5.70 ftSun, Sep 27, 1:00 AM CDT
- Record crest
- 20.77 ft1965
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 18.00 ft |
| Moderate flood | 15.00 ft |
| Minor flood | 13.00 ft |
| Action | 11.00 ft |
- 25.00 ftWater levels reach the top of the emergency dike.
- 24.00 ftWater overtops the levee downtown.
- 22.00 ftWater levels reach the designed dike protection level.
- 20.77 ftThe water reaches the flood of record set in 1965.
- 20.50 ftRailroad lines go under water.
- 17.00 ftSome railroad lines may become inoperative.
- 16.60 ftLock and Dam 6 goes out of operation.
- 16.00 ftLock and Dam 5A goes out of operation.
- 13.00 ftPrairie Island Park begins to flood. Pumping operations are underway by the city of Winona, and dike patrols are started.
- 12.50 ftSpillway lot and Saint Charles Street boat launch is barricaded.
- 10.50 ftPumping stations are put into operation along Washington, Kansas, and High Forest streets.
- 10.00 ftOlmstead Street Pumping Station is put into operation.
- 9.00 ftEast Riverfront Street along Levee Park is closed due to flooding.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 25, 2026.
Crest history
38 crests on NOAA’s list since 1880.
| # | Date | Stage |
|---|---|---|
| 1 | April 19, 1965 | 20.77 ft |
| 2 | April 17, 2001 | 20.07 ft |
| 3 | April 19, 1969 | 19.44 ft |
| 4 | April 26, 2023 | 18.81 ft |
| 5 | April 11, 1997 | 18.30 ft |
| 6 | April 20, 1952 | 17.93 ft |
| 7 | April 18, 1951 | 17.36 ft |
| 8 | April 3, 2019 | 17.30 ft |
| 9 | April 7, 1967 | 16.92 ft |
| 10 | June 18, 1880 | 16.87 ft |
| 11 | May 2, 1975 | 16.60 ft |
| 12 | April 15, 2011 | 16.58 ft |
| 13 | April 7, 1986 | 16.53 ft |
| 14 | June 26, 1993 | 16.53 ft |
| 15 | April 9, 1897 | 16.50 ft |
| 16 | May 7, 1954 | 16.30 ft |
| 17 | April 27, 1916 | 16.20 ft |
| 18 | July 2, 2024 | 16.14 ft |
| 19 | April 1, 1920 | 16.00 ft |
| 20 | July 2, 2014 | 15.52 ft |
| 21 | April 15, 1922 | 15.20 ft |
| 22 | May 25, 2019 | 15.13 ft |
| 23 | April 25, 1996 | 14.95 ft |
| 24 | May 4, 1888 | 14.92 ft |
| 25 | June 22, 1943 | 14.80 ft |
Most recent crests
- July 2, 2024: 16.14 ft
- April 26, 2023: 18.81 ft
- May 25, 2019: 15.13 ft
- April 3, 2019: 17.30 ft
- May 24, 2017: 13.44 ft
- July 2, 2014: 15.52 ft
- April 15, 2011: 16.58 ft
- September 29, 2010: 13.70 ft
- May 17, 2003: 13.12 ft
- April 19, 2002: 13.51 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the North Central River Forecast Center. Forecasts are issued routinely during the navigation season, and as needed at other times of the year. 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. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.