A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 48 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 48 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued Saturday morning at 815 AM CST.

The Flood Warning continues for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. For the Thorn Creek...including Thornton...Minor flooding is forecast. ...FLOOD WARNING REMAINS IN EFFECT UNTIL TOMORROW AFTERNOON... * 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 tomorrow afternoon. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... - At 1:45 PM CST Friday the stage was 9.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 1:45 PM CST Friday was 9.1 feet. - Forecast...The river is expected to rise to a crest of 9.5 feet this evening. It will then fall below flood stage late this evening. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&