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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via, as described in the StoryMap here.

Hydrograph River at a Glance Download
Fox River at Elgin Stage (ft)Observed: 707.99 ft at 7:00AM Jun 01, 2023Observed: 707.97 ft at 7:00AM Jun 02, 2023Observed: 707.95 ft at 7:00AM Jun 03, 2023Highest Observation: 708.06 ft at 7:00AM Jun 04, 2023Observed: 708.05 ft at 7:00AM Jun 05, 2023Observed: 707.93 ft at 7:00AM Jun 06, 2023Observed: 707.9 ft at 7:00AM Jun 07, 2023ELGI2(plotting HGIRZ) Graph Created (3:55AM Jun 8, 2023)ObservedLatest observed value: 707.9 ft at 7:00 AM CDT 7-Jun-2023. Flood Stage is 713 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
NOTE: Graphical forecasts are not available for the Fox River at Elgin. During times of high water, forecast crest information can be found in the text products.
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Upstream Gauge - at Algonquin tailwater Upstream Gauge Downstream Gauge Downstream Gauge - at South Elgin Dam
Flood Categories (in feet)
Major Flood Stage: 716
Moderate Flood Stage: 714
Flood Stage: 713
Action Stage: 711
Low Stage (in feet): 708

Historic Crests
(1) 713.11 ft on 07/24/2017
(2) 712.72 ft on 08/24/2007
(3) 711.92 ft on 05/31/2004
(4) 711.89 ft on 03/15/2007
(5) 711.70 ft on 12/30/2009
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 711.52 ft on 10/12/2018
(2) 711.10 ft on 09/07/2018
(3) 711.21 ft on 03/01/2018
(4) 713.11 ft on 07/24/2017
(5) 711.00 ft on 07/01/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 706.80 ft on 05/25/2012
(2) 707.02 ft on 11/28/2006
(3) 707.40 ft on 10/12/2012
(4) 707.40 ft on 11/16/2013

For more information on your flood risk go to

Zoom Level:14
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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
If you notice any errors in the below information, please contact our Webmaster
717 North Water Reclamation Facility property in Elgin is threatened.
716 Inundation reaches up to 2 blocks from the river in Willow Lake Estates in Elgin. Railroad tracks are threatened in downtown Elgin.
715 Commercial parking lots are threatened near National Street in Elgin.
714 Structures along Riverside Drive and Grove Ave are threatened.
713.5 Low-lying areas of Festival Park are threatened in Elgin.
712.5 Low-lying sections of Willow Lake Estates are threatened. Athletic fields inundated at Judson University in Elgin.
711 Low-lying trails threatened at Walton Island Park in Elgin.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
707.0 Water supply intakes at Riverside Treatment Plant in Elgin may be threatened.
708.0 River reaches crest elevation of Kimball Street Dam. River nears zero flow.
708.5 Approximate stage of the 1-in-10 annual chance flow (7-day average).
About This Location Collapse

Latitude: 42.058700° N, Longitude: 88.285100° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 713 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available 714 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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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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