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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 Rock River at Byron are issued as needed during times of high water, but are not routinely available.
Return to Area Map

Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 14
Flood Stage: 13
Action Stage: 10.5
Low Stage (in feet): -9999

Historic Crests
(1) 17.08 ft on 04/20/2013
(2) 16.50 ft on 07/25/2010
(3) 16.12 ft on 06/14/2000
(4) 15.52 ft on 08/25/2007
(5) 15.39 ft on 07/22/2017 (P)
(6) 15.15 ft on 02/22/2018 (P)
(7) 14.81 ft on 06/15/2008
(8) 14.67 ft on 06/05/2002
(9) 13.66 ft on 03/11/2009
(10) 13.19 ft on 06/13/2004
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.15 ft on 02/22/2018 (P)
(2) 15.39 ft on 07/22/2017 (P)
(3) 11.54 ft on 06/17/2015
(4) 11.51 ft on 07/02/2014
(5) 17.08 ft on 04/20/2013
(6) 8.99 ft on 11/10/2011
(7) 10.49 ft on 03/24/2011
(8) 16.50 ft on 07/25/2010
(9) 13.66 ft on 03/11/2009
(10) 14.81 ft on 06/15/2008
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
KML Image
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
17 Water inundates Kishwaukee Road near the river.
15 Extensive lowland flooding along the river.
13 Water approaches houses along the river downstream from Byron.
12 Water inundates yards of several houses along River Road near Byron. Parks near the bridge in Byron are completely flooded.
10.5 Water begins to affect lowest areas along the river near Byron.

Other Real-time and/or Archive Data Sources:
Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
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
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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