Iroquois River near Chebanse, IL
River level and flood forecast · Kankakee County
Normal3.1 ftas of Mon 2:45 PM
The river is 12.9 ft below flood stage (16 ft).
Flow: 319 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 20 ft |
| Moderate flood stage | 18 ft |
| Flood stage | 16 ft |
| Action stage | 15 ft |
| Record crest (March 7, 1979) | 21.68 ft |
What floods at each level
From the National Weather Service, highest first.
- 23 ftWater nears the top of the levees at Watseka wastewater facility.
- 22 ftStructures threatened at Sugar Island east of Chebanse.
- 21.5 ftWidespread inundation of hundreds of residential and commercial structures in Watseka. 7750S Road and Bridge Road threatened at Sugar Island east of Chebanse.
- 20 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 ftMultiple structures threatened in Watseka.
- 17.5 ft4000S Road, 174S Road, 2000E Road, and River Road threatened south of Aroma Park.
- 16 ftAgricultural land along the river is inundated.
- 13.5 ft174S Road threatened near 5000S Road northeast of Chebanse.
- 12.5 ftWater overflows low-lying banks near Watseka and Chebanse.
Highest crests on record
- 21.68 ft — March 7, 1979
- 20.6 ft — February 23, 2018
- 20.14 ft — January 11, 2008
- 19.68 ft — May 20, 1943
- 19.02 ft — February 13, 1959
Recent crests: 14.93 ft (May 19, 2020) · 15.7 ft (May 3, 2019) · 20.6 ft (February 23, 2018) · 18.7 ft (December 31, 2015) · 18.79 ft (July 14, 2015)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CHBI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.