Illinois Flood Watch | Effective 04/15/2026 19:13

Headline: 
Flood Watch issued April 15 at 9:13PM CDT until April 18 at 1:00AM CDT by NWS Chicago IL
Event: 
Flood Watch
Urgency: 
Future
Effective: 
April 15, 2026 - 7:13pm
Expires: 
April 16, 2026 - 1:15pm
Description: 
...The Flood Watch continues for the following rivers in Illinois... Kishwaukee River at Belvidere affecting Boone and Winnebago Counties. Kishwaukee River near Perryville affecting Winnebago County. For the Kishwaukee River...including Belvidere...flooding is possible. * WHAT...Flooding is possible. * WHERE...Kishwaukee River from County Line Road downstream to confluence with South Branch Kishwaukee River, including the Belvidere gauge. * WHEN...From late Thursday night to early Saturday morning. * IMPACTS...At 9.0 feet, Boone-McHenry County Line Road threatened. Low-lying areas are threatened in Belvidere Park. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 5.8 feet. - Forecast...Flood stage may be reached Friday. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood
Instruction: 
A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. 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 Thursday afternoon.
Area Description: 
Winnebago; Boone
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov