Flood Warning Illinois | Effective 04/05/2026 08:40

Headline: 
Flood Warning issued April 5 at 10:40AM CDT until April 6 at 8:12PM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 5, 2026 - 8:40am
Expires: 
April 6, 2026 - 2:45am
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Kishwaukee River near Perryville affecting Winnebago County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Kishwaukee River from Confluence with South Branch Kishwaukee River downstream to the Rock River, including the Perryville gauge. * WHEN...Until Monday evening. * IMPACTS...At 15.0 feet, Old Perryville Road threatened south of Rockford. Widespread inundation of agricultural land and forest land near Chicago Rockford International Airport. * ADDITIONAL DETAILS... - At 9:30 AM CDT Sunday the stage was 14.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 AM CDT Sunday was 14.1 feet. - Forecast...The river is expected to fall below flood stage early Monday afternoon. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
Instruction: 
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.
Area Description: 
Winnebago, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov