# Flood Warning: Cook, IL — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/d126204e95efb1ad

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-03 23:39 ingested 2026-07-04 08:43

[original source ↗](http://www.weather.gov/)

## extract

Flood Warning — Cook, IL
Severity: Severe. Certainty: Likely.
...The National Weather Service in Chicago IL has issued a Flood
Warning for the following rivers in Illinois...

Thorn Creek at Thornton affecting Cook County.

* WHAT...River flooding due to heavy rainfall.

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

* WHEN...Until Sunday 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 11:00 PM CDT Friday the stage was 7.0 feet.
- Forecast...The creek is expected to crest near or above flood
stage overnight tonight.
- Flood stage is 9.0 feet.
- http://www.weather.gov/safety/flood

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.