Weather Forecast for Chicago

...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 Thursday evening. * IMPACTS...At 11.0 feet, 187th Street threatened in Glenwood. * ADDITIONAL DETAILS... - At 2:30 PM CDT Wednesday the stage was 9.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:30 PM CDT Wednesday was 10.6 feet. - Forecast...The river is expected to rise to a crest around 10 feet tonight. It will then fall below flood stage tomorrow afternoon. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood

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 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday morning.

...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. * 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 Thursday afternoon. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... - At 9:30 PM CDT Wednesday the stage was 9.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 PM CDT Wednesday was 10.6 feet. - Forecast...The river has crested and is expected to gradually fall overnight. It will fall below flood stage late tomorrow morning. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood

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 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.