Major Flood
18 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
15 ft
Minor Flood
13 ft
Action Stage
11 ft
What Floods at Each Level
25 ft
Water levels reach the top of the emergency dike.
24 ft
Water overtops the levee downtown.
22 ft
Water levels reach the designed dike protection level.
20.77 ft
The water reaches the flood of record set in 1965.
20.5 ft
Railroad lines go under water.
17 ft
Some railroad lines may become inoperative.
16.6 ft
Lock and Dam 6 goes out of operation.
16 ft
Lock and Dam 5A goes out of operation.
13 ft
Prairie Island Park begins to flood. Pumping operations are underway by the city of Winona, and dike patrols are started.
12.5 ft
Spillway lot and Saint Charles Street boat launch is barricaded.
10.5 ft
Pumping stations are put into operation along Washington, Kansas, and High Forest streets.
10 ft
Olmstead Street Pumping Station is put into operation.
9 ft
East Riverfront Street along Levee Park is closed due to flooding.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Apr 18, 1965 | 20.77 ft | 268,000 cfs |
| Apr 17, 2001 | 20.07 ft | 237,000 cfs |
| Apr 18, 1969 | 19.44 ft | — |
About This Gauge
USGS Site
NWS LID
WNAM5
River
Mississippi River
County
Winona, MN
Coordinates
44.0556°N, 91.6375°W
Get Flood Alerts for Mississippi River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Mississippi River at Winona - Pool 6?
The Mississippi River at Winona - Pool 6 gauge is maintained by USGS (site 05378500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Mississippi River at Winona - Pool 6?
The NWS-defined flood stage for Mississippi River at Winona - Pool 6 is 13 feet. Action stage begins at 11 feet. Moderate flooding starts at 15 feet, and major flooding at 18 feet.
How do I get alerts when Mississippi River rises?
Download StormCast free on Google Play, go to River Gauges, and add Mississippi River at Winona - Pool 6 to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Mississippi River at Winona - Pool 6 gauge located?
The gauge is located in Winona County, Minnesota at coordinates 44.0556°N, 91.6375°W. USGS site number: 05378500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Mississippi River
On This River
More Resources
Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey
- 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.