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Hydrograph River at a Glance Download
Thorn Creek at Glenwood Stage (ft)Flow (cfs)Observed: 2.81 ft at 7:30AM Sep 22, 2023Observed: 2.81 ft at 7:45AM Sep 22, 2023Observed: 2.81 ft at 8:00AM Sep 22, 2023Observed: 2.8 ft at 8:15AM Sep 22, 2023Observed: 2.81 ft at 9:30AM Sep 22, 2023Observed: 2.82 ft at 9:45AM Sep 22, 2023Observed: 2.82 ft at 10:00AM Sep 22, 2023Observed: 2.82 ft at 10:15AM Sep 22, 2023Observed: 2.82 ft at 10:30AM Sep 22, 2023Observed: 2.83 ft at 10:45AM Sep 22, 2023Observed: 2.82 ft at 11:00AM Sep 22, 2023Observed: 2.82 ft at 11:15AM Sep 22, 2023Observed: 2.82 ft at 11:30AM Sep 22, 2023Observed: 2.82 ft at 11:45AM Sep 22, 2023Observed: 2.83 ft at 12:00PM Sep 22, 2023Observed: 2.83 ft at 12:15PM Sep 22, 2023Observed: 2.83 ft at 12:30PM Sep 22, 2023Observed: 2.83 ft at 12:45PM Sep 22, 2023Observed: 2.83 ft at 1:00PM Sep 22, 2023Observed: 2.83 ft at 1:15PM Sep 22, 2023Highest Observation: 2.84 ft at 1:30PM Sep 22, 2023Observed: 2.83 ft at 1:45PM Sep 22, 2023Observed: 2.83 ft at 2:00PM Sep 22, 2023Observed: 2.83 ft at 2:15PM Sep 22, 2023Observed: 2.83 ft at 2:30PM Sep 22, 2023Observed: 2.83 ft at 2:45PM Sep 22, 2023Observed: 2.83 ft at 3:00PM Sep 22, 2023Observed: 2.83 ft at 3:15PM Sep 22, 2023Observed: 2.83 ft at 3:30PM Sep 22, 2023Observed: 2.83 ft at 3:45PM Sep 22, 2023Observed: 2.83 ft at 4:00PM Sep 22, 2023Observed: 2.83 ft at 4:15PM Sep 22, 2023Observed: 2.82 ft at 4:30PM Sep 22, 2023Observed: 2.83 ft at 4:45PM Sep 22, 2023Observed: 2.83 ft at 5:00PM Sep 22, 2023Observed: 2.83 ft at 5:15PM Sep 22, 2023Observed: 2.82 ft at 5:30PM Sep 22, 2023Observed: 2.82 ft at 5:45PM Sep 22, 2023Observed: 2.82 ft at 6:00PM Sep 22, 2023Observed: 2.82 ft at 6:15PM Sep 22, 2023Observed: 2.82 ft at 6:30PM Sep 22, 2023Observed: 2.82 ft at 6:45PM Sep 22, 2023Observed: 2.82 ft at 7:00PM Sep 22, 2023Observed: 2.82 ft at 7:15PM Sep 22, 2023Observed: 2.82 ft at 7:30PM Sep 22, 2023Observed: 2.82 ft at 7:45PM Sep 22, 2023Observed: 2.82 ft at 8:00PM Sep 22, 2023Observed: 2.82 ft at 8:15PM Sep 22, 2023Observed: 2.82 ft at 8:30PM Sep 22, 2023Observed: 2.82 ft at 8:45PM Sep 22, 2023Observed: 2.82 ft at 9:00PM Sep 22, 2023Observed: 2.82 ft at 9:15PM Sep 22, 2023Observed: 2.82 ft at 9:30PM Sep 22, 2023Observed: 2.82 ft at 9:45PM Sep 22, 2023Observed: 2.82 ft at 10:00PM Sep 22, 2023Observed: 2.82 ft at 10:15PM Sep 22, 2023Observed: 2.82 ft at 10:30PM Sep 22, 2023Observed: 2.82 ft at 10:45PM Sep 22, 2023Observed: 2.82 ft at 11:00PM Sep 22, 2023Observed: 2.82 ft at 11:15PM Sep 22, 2023Observed: 2.82 ft at 11:30PM Sep 22, 2023Observed: 2.82 ft at 11:45PM Sep 22, 2023Observed: 2.82 ft at 12:00AM Sep 23, 2023Observed: 2.82 ft at 12:15AM Sep 23, 2023Observed: 2.81 ft at 1:30AM Sep 23, 2023Observed: 2.81 ft at 1:45AM Sep 23, 2023Observed: 2.81 ft at 2:00AM Sep 23, 2023Observed: 2.81 ft at 2:15AM Sep 23, 2023Observed: 2.81 ft at 2:30AM Sep 23, 2023Observed: 2.8 ft at 2:45AM Sep 23, 2023Observed: 2.8 ft at 3:00AM Sep 23, 2023Observed: 2.8 ft at 3:15AM Sep 23, 2023Observed: 2.79 ft at 3:30AM Sep 23, 2023Observed: 2.79 ft at 3:45AM Sep 23, 2023Observed: 2.79 ft at 4:00AM Sep 23, 2023Observed: 2.79 ft at 4:15AM Sep 23, 2023Observed: 2.78 ft at 5:30AM Sep 23, 2023Observed: 2.78 ft at 5:45AM Sep 23, 2023Observed: 2.77 ft at 6:00AM Sep 23, 2023Observed: 2.77 ft at 6:15AM Sep 23, 2023Observed: 2.77 ft at 6:30AM Sep 23, 2023Observed: 2.77 ft at 6:45AM Sep 23, 2023Observed: 2.77 ft at 7:00AM Sep 23, 2023Observed: 2.77 ft at 7:15AM Sep 23, 2023Observed: 2.77 ft at 9:30AM Sep 23, 2023Observed: 2.77 ft at 9:45AM Sep 23, 2023Observed: 2.77 ft at 10:00AM Sep 23, 2023Observed: 2.77 ft at 10:15AM Sep 23, 2023Observed: 2.78 ft at 10:30AM Sep 23, 2023Observed: 2.78 ft at 10:45AM Sep 23, 2023Observed: 2.79 ft at 11:00AM Sep 23, 2023Observed: 2.79 ft at 11:15AM Sep 23, 2023Observed: 2.79 ft at 11:30AM Sep 23, 2023Observed: 2.8 ft at 11:45AM Sep 23, 2023Observed: 2.8 ft at 12:00PM Sep 23, 2023Observed: 2.8 ft at 12:15PM Sep 23, 2023Observed: 2.81 ft at 12:30PM Sep 23, 2023Observed: 2.81 ft at 12:45PM Sep 23, 2023Observed: 2.81 ft at 1:00PM Sep 23, 2023Observed: 2.81 ft at 1:15PM Sep 23, 2023Observed: 2.82 ft at 1:30PM Sep 23, 2023Observed: 2.82 ft at 1:45PM Sep 23, 2023Observed: 2.82 ft at 2:00PM Sep 23, 2023Observed: 2.82 ft at 2:15PM Sep 23, 2023Observed: 2.82 ft at 2:30PM Sep 23, 2023Observed: 2.82 ft at 2:45PM Sep 23, 2023Observed: 2.82 ft at 3:00PM Sep 23, 2023Observed: 2.82 ft at 3:15PM Sep 23, 2023Observed: 2.82 ft at 3:30PM Sep 23, 2023Observed: 2.82 ft at 3:45PM Sep 23, 2023Observed: 2.82 ft at 4:00PM Sep 23, 2023Observed: 2.82 ft at 4:15PM Sep 23, 2023Observed: 2.82 ft at 4:30PM Sep 23, 2023Observed: 2.82 ft at 4:45PM Sep 23, 2023Observed: 2.82 ft at 5:00PM Sep 23, 2023Observed: 2.82 ft at 5:15PM Sep 23, 2023Observed: 2.82 ft at 5:30PM Sep 23, 2023Observed: 2.82 ft at 5:45PM Sep 23, 2023Observed: 2.81 ft at 6:00PM Sep 23, 2023Observed: 2.81 ft at 6:15PM Sep 23, 2023Observed: 2.81 ft at 6:30PM Sep 23, 2023Observed: 2.81 ft at 6:45PM Sep 23, 2023Observed: 2.81 ft at 7:00PM Sep 23, 2023Observed: 2.81 ft at 7:15PM Sep 23, 2023Observed: 2.81 ft at 7:30PM Sep 23, 2023Observed: 2.81 ft at 7:45PM Sep 23, 2023Observed: 2.81 ft at 8:00PM Sep 23, 2023Observed: 2.81 ft at 8:15PM Sep 23, 2023Observed: 2.81 ft at 8:30PM Sep 23, 2023Observed: 2.81 ft at 8:45PM Sep 23, 2023Observed: 2.81 ft at 9:00PM Sep 23, 2023Observed: 2.8 ft at 9:15PM Sep 23, 2023Observed: 2.8 ft at 9:30PM Sep 23, 2023Observed: 2.8 ft at 9:45PM Sep 23, 2023Observed: 2.8 ft at 10:00PM Sep 23, 2023Observed: 2.8 ft at 10:15PM Sep 23, 2023Observed: 2.8 ft at 10:30PM Sep 23, 2023Observed: 2.8 ft at 10:45PM Sep 23, 2023Observed: 2.8 ft at 11:00PM Sep 23, 2023Observed: 2.8 ft at 11:15PM Sep 23, 2023Observed: 2.8 ft at 11:30PM Sep 23, 2023Observed: 2.8 ft at 11:45PM Sep 23, 2023Observed: 2.79 ft at 12:00AM Sep 24, 2023Observed: 2.79 ft at 12:15AM Sep 24, 2023Observed: 2.79 ft at 12:30AM Sep 24, 2023Observed: 2.79 ft at 12:45AM Sep 24, 2023Observed: 2.79 ft at 1:00AM Sep 24, 2023Observed: 2.79 ft at 1:15AM Sep 24, 2023Observed: 2.79 ft at 1:30AM Sep 24, 2023Observed: 2.78 ft at 1:45AM Sep 24, 2023Observed: 2.78 ft at 2:00AM Sep 24, 2023Observed: 2.78 ft at 2:15AM Sep 24, 2023Observed: 2.78 ft at 2:30AM Sep 24, 2023Observed: 2.78 ft at 2:45AM Sep 24, 2023Observed: 2.78 ft at 3:00AM Sep 24, 2023Observed: 2.78 ft at 3:15AM Sep 24, 2023Observed: 2.77 ft at 3:30AM Sep 24, 2023Observed: 2.77 ft at 3:45AM Sep 24, 2023Observed: 2.77 ft at 4:00AM Sep 24, 2023Observed: 2.77 ft at 4:15AM Sep 24, 2023Observed: 2.77 ft at 4:30AM Sep 24, 2023Observed: 2.76 ft at 4:45AM Sep 24, 2023Observed: 2.76 ft at 5:00AM Sep 24, 2023Observed: 2.76 ft at 5:15AM Sep 24, 2023Observed: 2.76 ft at 5:30AM Sep 24, 2023Observed: 2.76 ft at 5:45AM Sep 24, 2023Observed: 2.76 ft at 6:00AM Sep 24, 2023Observed: 2.76 ft at 6:15AM Sep 24, 2023Observed: 2.76 ft at 6:30AM Sep 24, 2023Observed: 2.76 ft at 6:45AM Sep 24, 2023Observed: 2.76 ft at 7:00AM Sep 24, 2023Observed: 2.76 ft at 7:15AM Sep 24, 2023Observed: 2.75 ft at 7:30AM Sep 24, 2023Observed: 2.75 ft at 7:45AM Sep 24, 2023Observed: 2.75 ft at 8:00AM Sep 24, 2023Observed: 2.75 ft at 8:15AM Sep 24, 2023Observed: 2.75 ft at 8:30AM Sep 24, 2023Observed: 2.75 ft at 8:45AM Sep 24, 2023Observed: 2.75 ft at 9:00AM Sep 24, 2023Observed: 2.75 ft at 9:15AM Sep 24, 2023Observed: 2.75 ft at 9:30AM Sep 24, 2023Observed: 2.75 ft at 9:45AM Sep 24, 2023Observed: 2.75 ft at 10:00AM Sep 24, 2023Observed: 2.76 ft at 10:15AM Sep 24, 2023Observed: 2.76 ft at 10:30AM Sep 24, 2023Observed: 2.76 ft at 10:45AM Sep 24, 2023Observed: 2.76 ft at 11:00AM Sep 24, 2023Observed: 2.76 ft at 11:15AM Sep 24, 2023Observed: 2.77 ft at 11:30AM Sep 24, 2023Observed: 2.77 ft at 11:45AM Sep 24, 2023Observed: 2.78 ft at 12:00PM Sep 24, 2023Observed: 2.78 ft at 12:15PM Sep 24, 2023Observed: 2.79 ft at 12:30PM Sep 24, 2023Observed: 2.79 ft at 12:45PM Sep 24, 2023Observed: 2.79 ft at 1:00PM Sep 24, 2023Observed: 2.8 ft at 1:15PM Sep 24, 2023Observed: 2.8 ft at 1:30PM Sep 24, 2023Observed: 2.8 ft at 1:45PM Sep 24, 2023Observed: 2.8 ft at 2:00PM Sep 24, 2023Observed: 2.8 ft at 2:15PM Sep 24, 2023Observed: 2.8 ft at 2:30PM Sep 24, 2023Observed: 2.8 ft at 2:45PM Sep 24, 2023Observed: 2.8 ft at 3:00PM Sep 24, 2023Observed: 2.8 ft at 3:15PM Sep 24, 2023Observed: 2.8 ft at 3:30PM Sep 24, 2023Observed: 2.8 ft at 3:45PM Sep 24, 2023Observed: 2.8 ft at 4:00PM Sep 24, 2023Observed: 2.8 ft at 4:15PM Sep 24, 2023Observed: 2.8 ft at 4:30PM Sep 24, 2023Observed: 2.8 ft at 4:45PM Sep 24, 2023Observed: 2.8 ft at 5:00PM Sep 24, 2023Observed: 2.8 ft at 5:15PM Sep 24, 2023Observed: 2.8 ft at 5:30PM Sep 24, 2023Observed: 2.8 ft at 5:45PM Sep 24, 2023Observed: 2.8 ft at 6:00PM Sep 24, 2023Observed: 2.8 ft at 6:15PM Sep 24, 2023Observed: 2.8 ft at 6:30PM Sep 24, 2023Observed: 2.8 ft at 6:45PM Sep 24, 2023Observed: 2.8 ft at 7:00PM Sep 24, 2023Observed: 2.79 ft at 7:15PM Sep 24, 2023Observed: 2.79 ft at 7:30PM Sep 24, 2023Observed: 2.79 ft at 7:45PM Sep 24, 2023Observed: 2.79 ft at 8:00PM Sep 24, 2023Observed: 2.79 ft at 8:15PM Sep 24, 2023Observed: 2.79 ft at 8:30PM Sep 24, 2023Observed: 2.79 ft at 8:45PM Sep 24, 2023Observed: 2.79 ft at 9:00PM Sep 24, 2023Observed: 2.79 ft at 9:15PM Sep 24, 2023Observed: 2.79 ft at 9:30PM Sep 24, 2023Observed: 2.79 ft at 9:45PM Sep 24, 2023Observed: 2.79 ft at 10:00PM Sep 24, 2023Observed: 2.79 ft at 10:15PM Sep 24, 2023Observed: 2.79 ft at 10:30PM Sep 24, 2023Observed: 2.79 ft at 10:45PM Sep 24, 2023Observed: 2.8 ft at 11:00PM Sep 24, 2023Observed: 2.8 ft at 11:15PM Sep 24, 2023Observed: 2.8 ft at 11:30PM Sep 24, 2023Observed: 2.8 ft at 11:45PM Sep 24, 2023Observed: 2.8 ft at 12:00AM Sep 25, 2023Observed: 2.8 ft at 12:15AM Sep 25, 2023Observed: 2.79 ft at 12:30AM Sep 25, 2023Observed: 2.79 ft at 12:45AM Sep 25, 2023Observed: 2.79 ft at 1:00AM Sep 25, 2023Observed: 2.79 ft at 1:15AM Sep 25, 2023Observed: 2.79 ft at 1:30AM Sep 25, 2023Observed: 2.78 ft at 1:45AM Sep 25, 2023Observed: 2.78 ft at 2:00AM Sep 25, 2023Observed: 2.78 ft at 2:15AM Sep 25, 2023Observed: 2.78 ft at 2:30AM Sep 25, 2023Observed: 2.77 ft at 2:45AM Sep 25, 2023Observed: 2.77 ft at 3:00AM Sep 25, 2023Observed: 2.77 ft at 3:15AM Sep 25, 2023Observed: 2.76 ft at 3:30AM Sep 25, 2023Observed: 2.76 ft at 3:45AM Sep 25, 2023Observed: 2.76 ft at 4:00AM Sep 25, 2023Observed: 2.75 ft at 4:15AM Sep 25, 2023Observed: 2.75 ft at 4:30AM Sep 25, 2023Observed: 2.75 ft at 4:45AM Sep 25, 2023Observed: 2.75 ft at 5:00AM Sep 25, 2023Observed: 2.74 ft at 5:15AM Sep 25, 2023Observed: 2.74 ft at 5:30AM Sep 25, 2023Observed: 2.74 ft at 5:45AM Sep 25, 2023Observed: 2.74 ft at 6:00AM Sep 25, 2023Observed: 2.74 ft at 6:15AM Sep 25, 2023USGS--Water Resources of the United StatesGLWI2(plotting HGIRG) Graph Created (7:11AM Sep 25, 2023)ObservedLatest observed value: 2.74 ft at 6:15 AM CDT 25-Sep-2023. Flood Stage is 8.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Graphical forecasts are not available for the Thorn Creek at Glenwood. During times of high water, forecast crest information can be found in the text products.
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Downstream Gauge Downstream Gauge - at Thornton
Flood Categories (in feet)
Major Flood Stage: 12.5
Moderate Flood Stage: 11
Flood Stage: 8.5
Action Stage: 7
Low Stage (in feet): 2.5

Historic Crests
(1) 11.14 ft on 07/13/1957
(2) 11.07 ft on 06/13/1981
(3) 11.03 ft on 06/07/1974
(4) 11.00 ft on 09/13/2008
(5) 10.98 ft on 12/03/1982
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.03 ft on 05/17/2020
(2) 7.59 ft on 04/29/2020
(3) 8.52 ft on 01/11/2020
(4) 7.50 ft on 10/26/2019
(5) 9.64 ft on 06/27/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.63 ft on 10/06/2020
(2) 2.65 ft on 10/24/2002
(3) 2.69 ft on 09/05/2019
(4) 2.69 ft on 07/19/2017
(5) 2.77 ft on 10/19/2015
Show More Low Water Records
Zoom Level:16
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
13 Thorn Creek Basin Water Treatment Plant property threatened in Chicago Heights. A few residences are threatened near US-30 in Chicago Heights.
12.5 Halsted Street threatened at IL-1 in Chicago Heights.
12 Residences threatened along Parkside Avenue and Union Avenue in Chicago Heights. Joe Orr Road threatened in Chicago Heights.
11.5 Structures threatened at US-30 in Chicago Heights. US-30 threatened in Chicago Heights. Chicago Road threatened in Chicago Heights.
9.5 Low-lying sections of Joe Orr Woods are inundated.
9 Edgewood Avenue is threatened near US-30 in Chicago Heights.
7.5 Low-lying sections of Halsted Woods are inundated.
7 Low-lying sections of Thorn Creek Trail are inundated in Chicago Heights.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
2.5 River nears zero flow.
About This Location Collapse

Latitude: 41.530278° N, Longitude: 87.622222° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 8.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 610.66 619.16 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 610.97 619.47 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Resources Collapse
Hydrologic Resources Additional 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
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(815) 834-1435
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