National Weather Service Advanced Hydrologic Prediction Service

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This probabilistic forecast is issued by the North Central River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

About this graph

Forecasts for the Vermilion River (N-IL) near Leonore are issued as needed during times of high water, but are not routinely available.

Return to Area Map

Upstream Gauge

Downstream Gauge

Zoom Level:15

Flood Categories (in feet)

Major Flood Stage:	26
Moderate Flood Stage:	21
Flood Stage:	16
Action Stage:	15.5
Low Stage (in feet):	3

Historic Crests
(1) 30.25 ft on 04/18/2013
(2) 27.13 ft on 12/04/1982
(3) 25.22 ft on 01/09/2008
(4) 25.10 ft on 12/29/2015
(5) 24.50 ft on 05/02/2019
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.54 ft on 02/25/2021 (P)
(2) 20.89 ft on 04/30/2020
(3) 16.58 ft on 04/26/2020
(4) 16.83 ft on 01/12/2020
(5) 15.62 ft on 10/31/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.60 ft on 10/01/2006
(2) 1.80 ft on 10/01/1990
(3) 2.30 ft on 08/01/2011
(4) 2.78 ft on 08/05/2012
(5) 2.87 ft on 09/28/2013
Show More Low Water Records

	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
38	1251st Road is threatened near Leonore.
30	Water may reach the top of the levee west of the river in Streator. Water may reach the top of the levee at the water treatment plant in Streator. Oakley Avenue may be threatened north of Streator.
29	Main Street may be threatened in Streator.
25	18th Road may be threatened north of Streator.
24	Without flood protection, multiple roadways and structures may be threatened west of the river near Armory Court in Streator.
21	Widespread inundation of agricultural land may occur near Streator and Leonore.
16	Water overtops banks at multiple locations along the river near Streator and Leonore.
14	Water overtops low-lying banks in Streator.
Photos (1) Looking upstream at low flow. (2) Looking downstream at low flow.

Low Water Impacts

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

2.0	River nears zero flow.
3.0	Approximate stage of the 1-in-10 annual chance flow (7-day average).

Other Real-time and/or Archive Data Sources:

Additional Information

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

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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