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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 Montgomery are issued as needed during times of high water, but are not routinely available.
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Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 15
Flood Stage: 13.5
Action Stage: 13
Low Stage (in feet): 10.5

Historic Crests
(1) 16.50 ft on 07/18/1996 (P)
(2) 15.14 ft on 04/18/2013
(3) 15.12 ft on 09/14/2008
(4) 14.77 ft on 08/24/2007
(5) 14.66 ft on 05/18/2020
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.66 ft on 05/18/2020
(2) 14.46 ft on 05/15/2020
(3) 13.93 ft on 04/30/2020
(4) 13.62 ft on 03/29/2020
(5) 13.73 ft on 10/03/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 10.69 ft on 10/12/2012
(2) 10.73 ft on 07/19/2005
(3) 10.74 ft on 07/18/2012
(4) 10.79 ft on 08/26/2003
(5) 10.92 ft on 09/06/2020
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
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21.5 Batavia City Hall and Batavia Police Department threatened.
19.5 North Aurora City Hall threatened.
19 Structures threatened at Stolp Island in downtown Aurora. Structures threatened at Cool Acres Park in Aurora. River Street near Sullivan Road threatened in Aurora. IL-25 threatened near Laurel Street in Batavia.
18.5 Industrial structures are threatened along Harrison Street in Oswego.
18 A few residences threatened along IL-25 (East River Road) in Montgomery. A few residences are threatened along Marina Drive between Montgomery and Oswego. Low-lying parking lots threatened in downtown Aurora.
17.5 Mooseheart wastewater treatment plant property is threatened. A few structures threatened along River Street near South River Street Park in Aurora. River Street is threatened at South River Street Park and near Ashland Avenue in Aurora.
17 Batavia wastewater treatment plant property is threatened.
16.5 Fox Metro Wastewater Reclamation facility property is threatened south of Montomgery.
16 IL-25 (East River Road) is threatened near Boulder Hill Pass and near 1st Avenue in Montgomery. Harrison Street is threatened in Oswego. Flinn Street and Shumway Avenue threatened in Batavia.
15.5 A couple structures threatened in downtown Batavia. Numerous sections of Fox River Trail are threatened in Oswego. Low-lying trails threatened at Lippold Park between Batavia and North Aurora. Athletic fields at South River Street Park are inundated in Aurora.
15 Residences are threatened along River Street near Ashland Avenue in Montgomery. Veterans Memorial threatened at Illinois Avenue in Aurora. Low-lying sections of Hudson Crossing Park are inundated in Oswego.
14.5 Athletic fields threatened at Clark Island Park in Batavia.
14 Low-lying park land inundated along IL-25 between Montomgery and Oswego. Low-lying sections of Fabyan Forest Preserve near Batavia, Hurds Island and Gregory Island Park in Aurora, and Riverfront Park in North Aurora are inundated.
13.5 Low-lying parking lots at city hall and Boy Scout Island are threatened in St. Charles. Fox River Trail is threatened at St. Mary Park in St. Charles.
13 Water overtops low-lying banks near Montgomery, St. Charles, and Clark Island Park in Batavia.
Low Water Impacts Collapse
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10.0 Water supply intakes at Aurora Water Treatment Plant may be threatened. Water supply for the city of Aurora can be supplemented by groundwater sources.
10.5 River reaches crest elevation of Montgomery Dam. River nears zero flow.
11.0 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?
How low could the river get?
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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
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Page last modified: 2-Nov-2020 7:29 PM
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