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This probabilistic forecast is issued by the North Central River Forecast Center.
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About this graph
Forecasts for the Kishwaukee River near Perryville are issued as needed during times of high water, but are not routinely available.
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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Byron
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 22
Moderate Flood Stage: 18
Flood Stage: 12
Action Stage: 11.5
Low Stage (in feet): 5

Historic Crests
(1) 23.54 ft on 07/18/1996
(2) 20.71 ft on 02/21/1994
(3) 20.48 ft on 03/21/1979
(4) 19.76 ft on 02/22/1997
(5) 19.65 ft on 04/22/1973
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.99 ft on 05/18/2020
(2) 12.10 ft on 03/30/2020
(3) 14.69 ft on 09/14/2019
(4) 12.47 ft on 05/03/2019
(5) 15.69 ft on 03/14/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.85 ft on 09/15/2005
(2) 4.92 ft on 09/11/2003
(3) 4.97 ft on 09/02/1991
(4) 5.05 ft on 09/02/2012
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Gauge LocationGauge Map Marker
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 Collapse
If you notice any errors in the below information, please contact our Webmaster
30 Beltline Road and Kishwaukee Road threatened south of Rockford. A runway and taxiway may be inundated at Chicago Rockford International Airport.
28 Industrial structures threatened along Beltline Road south of Rockford.
27 Commercial structures threatened along IL-251 (11th Street) near Rockford and New Milford.
25.5 Blackhawk Road threatened south of Rockford.
25 Widespread inundation of the floodplain reaches numerous structures along Will James Road, Schell Drive, Milton Road, Vesta Drive, Ralph Road, and Rydberg Road near Rockford and New Milford.
24.5 IL-251 (11th Street) threatened near Rockford and New Milford.
23.5 Rydberg Road threatened near Rockford and New Milford.
23 Residential structures threatened along Rydberg Road near Rockford and New Milford.
22 Residential structures threatened along Will James Road near Rockford and New Milford. Structures threatened at Rockford Christian Camp. Water nears a runway at Chicago Rockford International Airport.
21.5 Residences threatened along Schell Drive near Rockford and New Milford. Falcon Road threatened at Chicago Rockford International Airport.
21 Mulford Road threatened south of Rockford.
19 Campsites threatened at Blackhawk Valley Campground south of Rockford.
17 Will James Road threatened near Rockford and New Milford.
16 Low-lying sections of Atwood Park inundated south of Rockford.
15 Old Perryville Road threatened south of Rockford. Widespread inundation of agricultural land and forest land near Chicago Rockford International Airport.
13 Roadways threatened at Blackhawk Valley Campground south of Rockford.
12 Water overtops low-lying banks in Blackhawk Springs Forest Preserve and in south Rockford near Chicago Rockford International Airport. Trails threatened at Blackhawk Springs Forest Preserve.
10 Flooding begins of low lying agricultural lands near the river.
Low Water Impacts Collapse
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4.5 River nears zero flow.
5.0 Approximate stage of the 1-in-10 annual chance flow (7-day average).

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
USGS Streamflow Duration Hydrograph
How low could the river get?
Collaborative Agencies Collapse
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
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Romeoville, IL 60446
(815) 834-1435
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Page last modified: 2-Nov-2020 7:29 PM
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