Illinois Flood Warning | Effective 04/22/2026 07:55

Headline: 
Flood Warning issued April 22 at 9:55AM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 22, 2026 - 7:55am
Expires: 
April 23, 2026 - 2:00am
Description: 
...The Flood Warning continues for the following rivers in Illinois... Pecatonica River near Shirland affecting Winnebago County. 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 moderate 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 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 9:30 AM CDT Wednesday the stage was 11.3 feet. - Forecast...The river is expected to only gradually fall through the weekend. It may fall into Minor flood stage by Friday morning. - 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 late tonight.
Area Description: 
Winnebago, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov