Illinois Flood Warning | Effective 04/16/2026 10:33

Headline: 
Flood Warning issued April 16 at 12:33PM CDT until April 18 at 7:00PM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 16, 2026 - 10:33am
Expires: 
April 17, 2026 - 3:15am
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Kishwaukee River at Belvidere affecting Boone and Winnebago Counties. For the Kishwaukee River...including Belvidere...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Kishwaukee River from County Line Road downstream to confluence with South Branch Kishwaukee River, including the Belvidere gauge. * WHEN...Until Saturday evening. * IMPACTS...At 9.5 feet, Holiday Acres Campground threatened east of Belvidere. Northwoods RV Resort is threatened in Garden Prairie. * ADDITIONAL DETAILS... - At 11:30 AM CDT Thursday the stage was 9.0 feet. - The river has climbed overnight to near flood stage. - Forecast...The river is expected to crest near 9.3 feet this evening. - Flood stage is 9.0 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: 
Boone, IL; Winnebago, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov