Major Flood
665 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: MSCM5). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
662 ft
Minor Flood
660 ft
Action Stage
657 ft
What Floods at Each Level
670 ft
Water begins to flow over portions of the protective earthen dike.
667.85 ft
Water levels reach the flood of record.
665 ft
Lock gates and walls at Dam 5 go underwater.
664.5 ft
Lock and dam 5 is closed to navigation.
656.2 ft
Water begins to impact campsites along river downstream at Merrick State Park.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Apr 18, 1965 | 667.85 ft | 270,000 cfs |
| Apr 15, 2001 | 665.7 ft | — |
| Apr 10, 1997 | 665.45 ft | — |
About This Gauge
NWS LID
MSCM5
River
Mississippi River
County
Winona, MN
Coordinates
44.1595°N, 91.8100°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 below Lock and Dam 5 - Minnesota City?
The Mississippi River below Lock and Dam 5 - Minnesota City gauge is maintained by USGS 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 below Lock and Dam 5 - Minnesota City?
The NWS-defined flood stage for Mississippi River below Lock and Dam 5 - Minnesota City is 660 feet. Action stage begins at 657 feet. Moderate flooding starts at 662 feet, and major flooding at 665 feet.
How do I get alerts when Mississippi River rises?
Download StormCast free on Google Play, go to River Gauges, and add Mississippi River below Lock and Dam 5 - Minnesota City 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 below Lock and Dam 5 - Minnesota City gauge located?
The gauge is located in Winona County, Minnesota at coordinates 44.1595°N, 91.8100°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Observations courtesy of U.S. Army Corps of Engineers
- 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.