National Weather Service Advanced Hydrologic Prediction Service

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Visit https://www.weather.gov/owp/operations for access to new EXPERIMENTAL products and services from the National Water Center: National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook and the National Water Center Visualization Services, a suite of geospatial services depicting River Forecast Center and National Water Model information.

Weather Forecast Office Chicago, IL

North Central River Forecast Center

Hydrograph

River at a Glance

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Tabular Data (UTC)

Tabular Data (CDT)

Datum: NAVD88

Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Iroquois River near Chebanse are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge

Flood Categories (in feet)

Major Flood Stage:	20
Moderate Flood Stage:	18
Flood Stage:	16
Action Stage:	15
Low Stage (in feet):	2

Historic Crests
(1) 21.68 ft on 03/07/1979
(2) 20.60 ft on 02/23/2018
(3) 20.14 ft on 01/11/2008
(4) 19.68 ft on 05/20/1943
(5) 19.02 ft on 02/13/1959
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.93 ft on 05/19/2020
(2) 15.70 ft on 05/03/2019
(3) 20.60 ft on 02/23/2018
(4) 18.70 ft on 12/31/2015
(5) 18.79 ft on 07/14/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.08 ft on 09/27/1999
(2) 2.09 ft on 08/10/2012
(3) 2.10 ft on 09/04/2000
(4) 2.15 ft on 09/08/2005
(5) 2.21 ft on 10/18/1995

For more information on your flood risk go to www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:15

	Gauge Location	Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
22	Structures threatened in Sugar Island subdivision east of Chebanse.
21.5	County road 7750S/Bridge Road threatened in Sugar Island subdivision east of Chebanse.
20	Jeffer's Park totally innundated by flood waters.Homes near the confluence of Iroquois and Kankakee Rivers flooded.
18.5	Evacuations begin in Watseka.
17.5	County roads 4000S, 174S, 2000E, and River Road threatened south of Aroma Park.
16	Agricultural land and some outbuildings near the river begin to be affected by floodwaters.
13.5	County road 174S threatened near county road 5000S northeast of Chebanse.
12.5	Water begins to overflow lowest banks of the river.
Photos (1) Looking downstream 10/14/2010. Gage height 2.26 ft. (2) Looking upstream 10/14/2010. Gage height 2.26 ft.

Low Water Impacts

If you notice any errors in the below information, please contact our Webmaster

2.0	River nears zero flow.

About This Location

Latitude: 41.008889° N, Longitude: 87.823333° W, Horizontal Datum: NAD27

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	16 ft	Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum	Elevation (gauge height = 0)	Elevation (gauge height = flood stage)	Elevation information source
NAVD88	595.71	611.71	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	Not Available	Not Available	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	Not Available	Not Available

Current/Historical Observations:

U.S. Geological Survey (USGS) Data and Site Info for Chebanse

Additional Information

How much forecast precipitation was used for the current river forecast?
USGS Streamflow Duration Hydrograph
How low could the river get?

Resources

Hydrologic Resources

Additional Resources

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

NWS Information

National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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Page last modified: 2-Nov-2020 7:29 PM

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