Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap


This probabilistic forecast is issued by the North Central River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the South Branch Kishwaukee River at De Kalb are issued as needed during times of high water, but are not routinely available.
Return to Area Map

Downstream Gauge Downstream Gauge - near Perryville
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 12.5
Moderate Flood Stage: 11
Flood Stage: 10
Action Stage: 8.5
Low Stage (in feet): -9999

Historic Crests
(1) 15.80 ft on 07/02/1983
(2) 15.34 ft on 08/24/2007
(3) 12.97 ft on 07/18/1996
(4) 12.64 ft on 02/21/1997
(5) 12.33 ft on 06/12/1929
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 10.98 ft on 04/18/2013 (P)
(2) 9.30 ft on 05/30/2011
(3) 9.44 ft on 05/13/2010
(4) 9.29 ft on 03/09/2009
(5) 11.28 ft on 09/14/2008
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.92 ft on 07/01/2009
(2) 2.06 ft on 09/01/2010
Show More Low Water Records
KML Image
Gauge LocationGauge Map Marker
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
15.4 Barsema Hall floods on the Northern Illinois University campus.
14.5 First Street bridge in DeKalb is impassable.
14 State Route 64 just west of Sycamore is closed due to flooding.
13.5 Flood waters overtop levee north of Hillcrest Street in DeKalb.
13 Water overtops the levee at the east lagoon at Northern Illinois University. Floodwaters close the Fairview Drive bridge in DeKalb. Castle Drive and Lucinda Avenue bridges are impassable.
12.5 Flooding affects some structures at Northern Illinois University.
12.1 River floods River Heights golf course in DeKalb.
12 Homes begin to flood on north side of DeKalb.
11 Street flooding begins in northern part of DeKalb. Water completely floods Clifford Drive on the south side of Praire Park in DeKalb.
10.8 Water floods one lane of Clifford Drive on the south side of Prairie Park in DeKalb.
10.5 The Taylor Street Bridge in DeKalb is impassable.
10.4 Water covers one lane of Taylor Street on the south side of DeKalb. Water approaches apartments near the river on Taylor Street. Flooding of Lions park. Some homes near river experience flooding.
9 One lane of Taylor Street is flooded.
8.5 Water begins to affect lowest areas near the river on the south side of DeKalb.
7.8 Water on Gurler Rd bridge, southwest of DeKalb.
(1) Looking downstream 12/15/2015. Stage = 6.99 ft.
(2) Looking upstream 12/15/2015. Stage = 6.99 ft.

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
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
Ask Questions/Webmaster
Page last modified: 21-Dec-2016 10:37 PM
Privacy Policy
About Us
Career Opportunities