RIVER GAUGE · MISSISSIPPI RIVER
Mississippi River at Thebes
Alexander County, Illinois
Water level9.88 ft
Flow122,000 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action30 ft
Minor flood33 ft
Moderate flood37 ft
Major flood42 ft
The past week
Loading chart…
What floods at each level
- 34 ft
The town of Thebes begins to flood.
- 33 ft
The town of Gale begins to flood.
Highest crests on record
| Date | Level | 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 |
More on Mississippi River
DownstreamMississippi River above Commerce
Mississippi River at Mel Price (Alton) Lock and Dam
Mississippi River at Alton
Mississippi River at Chester
Mississippi River at Fulton
Mississippi River above Grand Tower
Mississippi River at Gladstone
Mississippi River at Grafton
Mississippi River at Illinois City
Mississippi River at Keithsburg
Mississippi River at New Boston
Get an alert when Mississippi River rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

