Flood Warning: Cook, IL

source: us-gov-api (us-gov-api:noaa-weather)published 2026-08-14 20:01ingested 2026-08-15 06:39

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Flood Warning — Cook, IL Severity: Severe. Certainty: Observed. ...The Flood Warning is extended for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. For the Thorn Creek...including Thornton...Minor flooding is forecast. * WHAT...Minor flooding is occurring and 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 13.5 feet, Chicago Heights Glenwood Road threatened in Glenwood. Residential parking lots threatened along Margaret Street in Thornton. * ADDITIONAL DETAILS... - At 7:45 PM CDT Friday the stage was 9.4 feet. - Forecast...The river may fall to near flood stage late this evening, although additional rainfall in the forecast may prolong flooding impacts, resulting in another rise on Saturday into Saturday evening. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood

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The historical document was shared with another weather alert and cannot be attributed to this record.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