Illinois Flood Warning | Effective 04/22/2026 19:24

Headline: 
Flood Warning issued April 22 at 9:24PM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 22, 2026 - 7:24pm
Expires: 
April 23, 2026 - 1:30pm
Description: 
...The Flood Warning continues for the following rivers in Illinois... Rock River at Byron affecting Ogle County. Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. * WHAT...Moderate flooding is occurring and forecasted to continue. * WHERE...Rock River from Swanson Road in Roscoe downstream to Shorewood Park in Loves Park, including the Latham Park gauge. * WHEN...Until further notice. * IMPACTS...At 11.0 feet, low-lying sections of Harbor Oaks Drive are threatened in north Machesney Park. Low-lying residences are threatened along Queen Oaks Drive in Machesney Park. Browns Beach Road is threatened in north Rockford. Lower parking lot of Sportscore One is inundated in north Rockford. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday, the stage was 11.2 feet. - Forecast...The river is expected to only gradually fall through the weekend. It may fall into Minor flood stage by late Thursday night. - 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 Thursday afternoon.
Area Description: 
Winnebago, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov