...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...Minor flooding likely.
* WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge.
* WHEN...From early this morning to late this afternoon.
* IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel.
* ADDITIONAL DETAILS... - At 3:30 AM CDT Thursday the stage was 8.7 feet. - Forecast...The river is expected to crest just above flood stage this morning. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood