Major Flood
645 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: LCRM5). 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
643 ft
Minor Flood
641 ft
Action Stage
638 ft
What Floods at Each Level
649 ft
Water begins to flow over the protective earthen levees.
647.48 ft
Water levels reach the flood of record.
647 ft
Water begins to flow over the lock gates and walls.
646.5 ft
Lock and dam 7 goes out of operation.
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 20, 1965 | 647.38 ft | -9,999 cfs |
| Apr 17, 2001 | 645.2 ft | -9,999 cfs |
| Apr 19, 1969 | 644.87 ft | -9,999 cfs |
About This Gauge
NWS LID
LCRM5
River
Mississippi River
County
Winona, MN
Coordinates
43.8646°N, 91.3078°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 7 - La Crescent?
The Mississippi River below Lock and Dam 7 - La Crescent 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 7 - La Crescent?
The NWS-defined flood stage for Mississippi River below Lock and Dam 7 - La Crescent is 641 feet. Action stage begins at 638 feet. Moderate flooding starts at 643 feet, and major flooding at 645 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 7 - La Crescent 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 7 - La Crescent gauge located?
The gauge is located in Winona County, Minnesota at coordinates 43.8646°N, 91.3078°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.