Flood Warning: Cook, IL

source: us-gov-api (us-gov-api:noaa-weather)published 2026-07-03 23:39ingested 2026-07-04 08:43

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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The historical document was shared with another weather alert and cannot be attributed to this record.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.