Major Flood
12.5 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
11 ft
Minor Flood
8.5 ft
Action Stage
7 ft
What Floods at Each Level
13 ft
Thorn Creek Basin Water Treatment Plant property threatened in Chicago Heights. A few residences are threatened near US-30 in Chicago Heights.
12.5 ft
Halsted Street threatened at IL-1 in Chicago Heights.
12 ft
Residences threatened along Parkside Avenue and Union Avenue in Chicago Heights. Joe Orr Road threatened in Chicago Heights.
11.5 ft
Structures threatened at US-30 in Chicago Heights. US-30 threatened in Chicago Heights. Chicago Road threatened in Chicago Heights.
9.5 ft
Low-lying sections of Joe Orr Woods are inundated.
9 ft
Edgewood Avenue is threatened near US-30 in Chicago Heights.
7.5 ft
Low-lying sections of Halsted Woods are inundated.
7 ft
Low-lying sections of Thorn Creek Trail are inundated in Chicago Heights.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
2.5
River nears zero flow.
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jul 12, 1957 | 11.14 ft | 2,460 cfs |
| Jun 12, 1981 | 11.07 ft | 2,310 cfs |
| Jun 6, 1974 | 11.03 ft | 2,300 cfs |
About This Gauge
Get Flood Alerts for Thorn Creek
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Thorn Creek at Glenwood?
The Thorn Creek at Glenwood gauge is maintained by USGS (site 05536215) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Thorn Creek at Glenwood?
The NWS-defined flood stage for Thorn Creek at Glenwood is 8.5 feet. Action stage begins at 7 feet. Moderate flooding starts at 11 feet, and major flooding at 12.5 feet.
How do I get alerts when Thorn Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Thorn Creek at Glenwood to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Thorn Creek at Glenwood gauge located?
The gauge is located in Cook County, Illinois at coordinates 41.5303°N, 87.6222°W. USGS site number: 05536215. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Thorn Creek
On This River
Downstream: Thorn Creek at Thornton
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey