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. 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. Additional information is available at www.weather.gov. The next statement will be issued by Tuesday afternoon.

The Flood Warning is extended for the following rivers in Illinois...Indiana... Little Calumet River at Munster (Hohman Avenue) affecting Lake IN and Cook Counties. ...The Flood Warning continues for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. Illinois River at Ottawa affecting La Salle County. Kankakee River at Momence affecting Kankakee County. Illinois River at La Salle affecting La Salle, Putnam and Bureau Counties. For the Kankakee River...including Shelby, Momence...Moderate flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Illinois River from Heritage Harbor east of Ottawa downstream to Starved Rock Lock and Dam, including the Ottawa gauge. * WHEN...Until late Friday evening. * IMPACTS...At 465.0 feet, Harbor Walk in Heritage Harbor east of Ottawa is inundated. * ADDITIONAL DETAILS... - At 8:30 PM CDT Monday the stage was 462.7 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 465.1 feet early Wednesday morning. It will then fall below flood stage Friday afternoon. - Flood stage is 463.0 feet. - http://www.weather.gov/safety/flood