Rivers in Illinois
Iroquois River near Chebanse
Below flood stage
3.17ftStage
Observed Tue, Sep 22, 4:45 AM CDT
- Flood stage
- 16.00 ft
- Record crest
- 21.68 ft1979
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 20.00 ft |
| Moderate flood | 18.00 ft |
| Minor flood | 16.00 ft |
| Action | 15.00 ft |
- 23.00 ftWater nears the top of the levees at Watseka wastewater facility.
- 22.00 ftStructures threatened at Sugar Island east of Chebanse.
- 21.50 ftWidespread inundation of hundreds of residential and commercial structures in Watseka. 7750S Road and Bridge Road threatened at Sugar Island east of Chebanse.
- 20.00 ftWidespread inundation of roadways and structures reaches multiple blocks from the river in Watseka. Residential structures threatened near the confluence of the Iroquois and Kankakee Rivers.
- 18.00 ftMultiple structures threatened in Watseka.
- 17.50 ft4000S Road, 174S Road, 2000E Road, and River Road threatened south of Aroma Park.
- 16.00 ftAgricultural land along the river is inundated.
- 13.50 ft174S Road threatened near 5000S Road northeast of Chebanse.
- 12.50 ftWater overflows low-lying banks near Watseka and Chebanse.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 7% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
54 crests on NOAA’s list since 1926.
| # | Date | Stage |
|---|---|---|
| 1 | March 7, 1979 | 21.68 ft |
| 2 | February 23, 2018 | 20.60 ft |
| 3 | January 11, 2008 | 20.14 ft |
| 4 | May 20, 1943 | 19.68 ft |
| 5 | February 13, 1959 | 19.02 ft |
| 6 | February 24, 1982 | 18.96 ft |
| 7 | July 14, 2015 | 18.79 ft |
| 8 | December 31, 2015 | 18.70 ft |
| 9 | January 15, 2005 | 18.63 ft |
| 10 | May 15, 1970 | 18.60 ft |
| 11 | October 6, 1926 | 18.30 ft |
| 12 | January 1, 1991 | 18.22 ft |
| 13 | June 15, 1958 | 18.06 ft |
| 14 | February 25, 1985 | 17.76 ft |
| 15 | March 13, 1990 | 17.74 ft |
| 16 | February 4, 1968 | 17.70 ft |
| 17 | February 9, 1942 | 17.60 ft |
| 18 | July 15, 1957 | 17.53 ft |
| 19 | March 13, 2009 | 17.21 ft |
| 20 | June 23, 2015 | 17.13 ft |
| 21 | July 11, 1951 | 17.10 ft |
| 22 | April 15, 1994 | 16.92 ft |
| 23 | June 5, 1980 | 16.84 ft |
| 24 | February 23, 2014 | 16.33 ft |
| 25 | March 26, 2007 | 16.12 ft |
Most recent crests
- May 19, 2020: 14.93 ft
- May 3, 2019: 15.70 ft
- February 23, 2018: 20.60 ft
- December 31, 2015: 18.70 ft
- July 14, 2015: 18.79 ft
- June 23, 2015: 17.13 ft
- February 23, 2014: 16.33 ft
- April 21, 2013: 15.41 ft
- May 8, 2012: 14.05 ft
- April 29, 2011: 15.10 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.