StormCast — Weather & Emergency Alerts

Mississippi River at Thebes
Illinois — Water Level & Flood Stage

Located in Alexander County, Illinois on the Mississippi River. Live water level data from USGS gauge 07022000, updated every 15 minutes.

Current Water Level

Gage Height

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Streamflow

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Last Reading

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Flood Stages

Major Flood

42 ft

Moderate Flood

37 ft

Minor Flood

33 ft

Action Stage

30 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

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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View Official NWS Hydrograph →

Historic Crests

Date Stage Flow
Jan 2, 201647.74 ft1,111,594 cfs
Jan 2, 201647.74 ft1,111,594 cfs
May 22, 199545.91 ft856,000 cfs
May 22, 199545.91 ft856,000 cfs
May 3, 201145.52 ft969,909 cfs

About This Gauge

USGS Site

07022000

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.

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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 — even when your screen is off.

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.

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Source & Notes

Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey