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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 Fox River at Dayton are issued as needed during times of high water, but are not routinely available.
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Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 24
Moderate Flood Stage: 14
Flood Stage: 12
Action Stage: 11
Low Stage (in feet): 4.5

Historic Crests
(1) 36.47 ft on 01/25/1960
(2) 32.04 ft on 01/30/1952
(3) 32.00 ft on 01/10/1973
(4) 24.63 ft on 10/11/1954
(5) 24.47 ft on 07/19/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.12 ft on 05/18/2020
(2) 13.27 ft on 04/30/2020
(3) 18.13 ft on 01/21/2020
(4) 17.35 ft on 09/27/2019
(5) 13.66 ft on 05/29/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.49 ft on 06/29/2012
(2) 4.51 ft on 09/13/2005
(3) 4.57 ft on 09/14/2021
(4) 4.59 ft on 09/13/2003
(5) 4.70 ft on 08/02/1988
Show More Low Water Records
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
26 Residential structures threatened off Dayton Road in Dayton.
23 Numerous residential structures threatened along 2959th Road between Ottawa and Dayton. Industrial structures threatened in Wedron.
22 Illinois Railway tracks threatened in Wedron. Campgrounds may be threatened near Sheridan.
21.5 2153rd Road threatened in Wedron.
20 Roadways and structures may be threatened in Millington.
19.5 A few residential structures threatened along 2959th Road between Ottawa and Dayton.
19 42nd Road may be threatened north of Sheridan.
17.5 Agricultural land inundated near Sheridan.
17 2603rd Road may be threatened north of Sheridan.
16 Multiple structures may be threatened north of Sheridan.
14.5 Low-lying agricultural land inundated near Norway.
14 Residential structures threatened along 2059th Road south of Wedron.
13 Residential structures threatened along 2062nd Road in Wedron. Water overflows low-lying banks in Dayton and Ottawa.
12.5 2062nd Road threatened in Wedron. Low-lying agricultural land inundated near Wedron.
12 Water overflows low-lying banks in Wedron and Sheridan.
Photos
(1) Looking downstream 12/15/2015. Stage = 11.91 ft. Image courtesy LaSalle Co EMA.
(2) Looking upstream 12/15/2015. Stage = 11.91 ft. Image courtesy LaSalle Co EMA.
(3) Looking upstream from bridge. Stage 7.12 feet.
(4) Looking downstream from bridge. Stage 7.12 feet.
(5) Looking downstream at massive ice jam 1/5/2010.
(6) Looking upstream at massive ice jam 1/5/2010.
Low Water Impacts Collapse
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4.0 River nears zero flow.
4.5 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
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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