Mississippi River at Winona - Pool 6, MN
River level and flood forecast · Winona County
Normal5.7 ftas of Mon 2:45 PM
The river is 7.3 ft below flood stage (13 ft).
Forecast to hold near 5.7 ft through Mon, Oct 19, 7 AM.
Flow: 11,600 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 8:49 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 18 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 13 ft |
| Action stage | 11 ft |
| Record crest (April 19, 1965) | 20.77 ft |
What floods at each level
From the National Weather Service, highest first.
- 25 ftWater levels reach the top of the emergency dike.
- 24 ftWater overtops the levee downtown.
- 22 ftWater levels reach the designed dike protection level.
- 20.77 ftThe water reaches the flood of record set in 1965.
- 20.5 ftRailroad lines go under water.
- 17 ftSome railroad lines may become inoperative.
- 16.6 ftLock and Dam 6 goes out of operation.
- 16 ftLock and Dam 5A goes out of operation.
- 13 ftPrairie Island Park begins to flood. Pumping operations are underway by the city of Winona, and dike patrols are started.
- 12.5 ftSpillway lot and Saint Charles Street boat launch is barricaded.
- 10.5 ftPumping stations are put into operation along Washington, Kansas, and High Forest streets.
- 10 ftOlmstead Street Pumping Station is put into operation.
- 9 ftEast Riverfront Street along Levee Park is closed due to flooding.
Highest crests on record
- 20.77 ft — April 19, 1965
- 20.07 ft — April 17, 2001
- 19.44 ft — April 19, 1969
- 18.81 ft — April 26, 2023
- 18.3 ft — April 11, 1997
Recent crests: 16.14 ft (July 2, 2024) · 18.81 ft (April 26, 2023) · 15.13 ft (May 25, 2019) · 17.3 ft (April 3, 2019) · 13.44 ft (May 24, 2017)
Up and down the river, and nearby
- UpstreamMississippi River below Lock and Dam 5a - Winona, MN
- Root River (MN) above Rushford, MN
- Root River (MN) at Houston, MN
- South Fork Root River near Houston, MN
- Root River (MN) near Pilot Mound, MN
- Mississippi River at Brownsville, MN
- Crooked Creek at Freeburg, MN
- South Fork Zumbro River at Rochester, MN
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (WNAM5); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.