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 late tonight.

The Flood Warning continues for the following rivers in Illinois... Illinois River at Ottawa affecting La Salle County. ...The Flood Warning is extended for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, Putnam and La Salle Counties. For the Illinois River (Upper)...including Ottawa, La Salle...Minor flooding is forecast. * WHAT...Minor flooding is occurring. * WHERE...Illinois River from Heritage Harbor east of Ottawa downstream to Starved Rock Lock and Dam, including the Ottawa gauge. * WHEN...Until late tonight. * IMPACTS...At 462.5 feet, Roadway entrance to Allen Park threatened in Ottawa. Allen Park west boat ramp inundated in Ottawa. * ADDITIONAL DETAILS... - At 7:30 PM CDT Thursday the stage was 463.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM CDT Thursday was 463.3 feet. - Forecast...The river is expected to fall below flood stage late this evening and continue falling to 459.7 feet Thursday, April 11. - Flood stage is 463.0 feet. - http://www.weather.gov/safety/flood