Mississippi River at Fort Madison
Iowa — Water Level & Flood Stage
Located in Lee County, Iowa on the Mississippi River. Live water level data from USGS, updated every 15 minutes.
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: FMDI4). Live data may be limited. View on NWS AHPS →
Flood Stages
Action Stage
527 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jul 6, 2014 | 533.3 ft | 364,128 cfs |
| Jul 6, 2014 | 533.3 ft | 364,128 cfs |
| Apr 22, 2013 | 532.42 ft | 331,767 cfs |
| Apr 22, 2013 | 532.42 ft | 331,767 cfs |
| Jun 6, 2013 | 531.2 ft | 286,667 cfs |
About This Gauge
NWS LID
FMDI4
River
Mississippi River
County
Lee, IA
Coordinates
40.6283°N, 91.2928°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 Fort Madison?
The Mississippi River at Fort Madison 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 at Fort Madison?
This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.
How do I get alerts when Mississippi River rises?
Download StormCast free on Google Play, go to River Gauges, and add Mississippi River at Fort Madison to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Mississippi River at Fort Madison gauge located?
The gauge is located in Lee County, Iowa at coordinates 40.6283°N, 91.2928°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Army Corps of Engineers, Observations courtesy of U.S. Army Corps of Engineers