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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 Des Plaines River at Riverside are issued as needed during times of high water, but are not routinely available.
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Upstream Locations Upstream Gauge
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 9
Moderate Flood Stage: 8
Flood Stage: 7.5
Action Stage: 7
Low Stage (in feet): 1.5

Historic Crests
(1) 11.28 ft on 04/18/2013
(2) 9.90 ft on 08/15/1987
(3) 9.87 ft on 09/14/2008
(4) 9.82 ft on 01/26/1969
(5) 9.24 ft on 07/24/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.31 ft on 05/01/2019 (P)
(2) 8.05 ft on 02/21/2018 (P)
(3) 8.58 ft on 10/15/2017 (P)
(4) 8.07 ft on 07/22/2017
(5) 7.71 ft on 07/15/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.28 ft on 08/31/1974
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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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11.5 Widespread inundation of industrial property and structures north of the river in McCook.
11 Structures threatened at Brookfield Zoo.
10.5 Residences threatened between river and 39th Street in Riverside. Structures are threatened along River Road near the river in Hodgkins. Structures threatened south of 47th Street near the river in McCook.
9.5 Parking areas at Brookfield Zoo threatened. Industrial parking area near the river and I-55 is threatened.
9 Residences threatened near confluence Des Plaines River and Salt Creek.
8.5 IL-171 (1st Avenue) threatened near Brookfield Zoo. Water may begin to overflow into the Chicago Sanitary & Ship Canal near Willow Springs.
8 Park areas are inundated near Confluence of Des Plaines River and Salt Creek.
7.5 Low-lying sections of Miller Meadow, Indian Gardens, Cermak Woods, Ottawa Trail Woods, and other forest land along the river are inundated.
7 Water begins to overflow banks in adjacent forest preserve areas.
Low Water Impacts Collapse
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1.0 River nears zero flow.
1.5 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?
How low could the river get?

Inundation Mapping from Illinois Office of Water Resources
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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
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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Page last modified: 2-Nov-2020 7:29 PM
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