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Elev 614 ft, 41.79 °N, 87.77 °W

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Location: Chicago, IL
Elevation: 614ft
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River Flood Warning
Issued: 6:27 PM Aug. 15, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL MONDAY MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Thorn Creek from Near Glenwood downstream to confluence
with Little Calumet River, including the Thornton gauge.

* WHEN...Until Monday morning.

* IMPACTS...At 8.0 feet, Athletic fields are inundated at Glenwood
Academy. At 9.0 feet, Water begins to be diverted through Thorn
Creek Diversion Tunnel.

* ADDITIONAL DETAILS...
- At 1:00 PM CDT Saturday the stage was 8.0 feet.
- Forecast...The river is expected to rise late tonight into early
Sunday following additional rainfall in the forecast and may
return to minor flood stage.
- Flood stage is 9.0 feet.
- http://www.weather.gov/safety/flood

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