Illinois Flood Warning | Effective 04/27/2026 10:18

Headline: 
Flood Warning issued April 27 at 12:18PM CDT until May 1 at 7:00AM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
April 27, 2026 - 10:18am
Expires: 
April 28, 2026 - 4:30am
Description: 
...Observed flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Illinois... Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River from Swanson Road in Roscoe downstream to Shorewood Park in Loves Park, including the Latham Park gauge. * WHEN...Until Friday morning. * IMPACTS...At 9.5 feet, Low-lying areas of Sportscore One are inundated in north Rockford. * ADDITIONAL DETAILS... - At 11:30 AM CDT Monday the stage was 9.6 feet. - Forecast...The rate of fall may slow overnight into tomorrow due to forecasted rainfall. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood
Instruction: 
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 morning.
Area Description: 
Winnebago, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov