River stage
Last reported 2026-10-13 | NWS ILNI2
In brief
The Mississippi River at Illinois City, IL read 4.33 ft on Oct 13, 2026, 9.67 ft below action stage.
Source: National Weather Service gauge ILNI2
| Rank | Crest | Date |
|---|---|---|
| 1 | 24.10 ft | 1993-07-09 |
| 2 | 23.27 ft | 1965-04-28 |
| 3 | 23.23 ft | 2019-05-03 |
| 4 | 22.96 ft | 2008-06-17 |
| 5 | 22.81 ft | 2019-06-02 |
| 6 | 22.41 ft | 2001-04-25 |
| 7 | 22.23 ft | 2014-07-05 |
| 8 | 21.22 ft | 2023-05-02 |
Flood crests recorded at this gauge by the National Weather Service.
Water affects residents on Smiths Island.
Water affects the park at Andalusia.
Lock and Dam 16 is closed.
Water affects the Buffalo Shores Access Area. Lock and Dam 16 is closed.
Water affects the state park campground at Fairport.
Water floods Andalusias Second Street in the unprotected area. Water is also at the foundations of several homes in Midway Beach.
Water affects the Clarks Ferry Recreational Area at Montpelier.
Water affects Buffalos Franklin Street and into some yards from seepage. At Buffalo Shores, water is at the foundations of several homes.
Water affects Buffalos Front Street at Franklin and on Iowa Highway 22 west of town. Water affects Illinois Highway 92 west of Andalusia.
Water affects Front Street and several homes in Buffalo. Water also affects the fish hatchery at Fairport.
Written by the local National Weather Service forecast office for this exact gauge.
No. The Mississippi River at Illinois City is at 4.33 ft, 9.67 ft below action stage.
The National Weather Service sets action stage 14 ft, minor flooding 15 ft, moderate flooding 16 ft and major flooding 18 ft.
The highest crest on record is 24.1 ft, on 1993-07-09.
Stage and flood information from the NOAA National Weather Service (gauge ILNI2). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.