Major Flood
42 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
37 ft
Minor Flood
33 ft
Action Stage
30 ft
What Floods at Each Level
34 ft
The town of Thebes begins to flood.
33 ft
The town of Gale begins to flood.
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 |
|---|---|---|
| Jan 2, 2016 | 47.74 ft | 1,111,594 cfs |
| May 22, 1995 | 45.91 ft | 856,000 cfs |
| May 3, 2011 | 45.52 ft | 969,909 cfs |
About This Gauge
USGS Site
NWS LID
THBI2
River
Mississippi River
County
Alexander, IL
Coordinates
37.2217°N, 89.4631°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 Thebes?
The Mississippi River at Thebes gauge is maintained by USGS (site 07022000) 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 Thebes?
The NWS-defined flood stage for Mississippi River at Thebes is 33 feet. Action stage begins at 30 feet. Moderate flooding starts at 37 feet, and major flooding at 42 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 Thebes 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 Thebes gauge located?
The gauge is located in Alexander County, Illinois at coordinates 37.2217°N, 89.4631°W. USGS site number: 07022000. 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: US Geological Survey, Observations courtesy of U.S. Geological Survey
- 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.
- For the latest navigation status update from the U.S. Army Corps of Engineers-St. Louis District, <a href="http://www.mvs.usace.army.mil/Missions/Navigation/Status-Reports/">click here.</a>