Illinois Flood Warning | Effective 04/14/2026 08:40

Headline: 
Flood Warning issued April 14 at 10:40AM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 14, 2026 - 8:40am
Expires: 
April 15, 2026 - 2:45am
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting McHenry, Kane and Lake IL Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 10.5 feet, Structures threatened along Fox River Drive in East Dundee. Parking lots threatened in downtown West Dundee. Low-lying sections of Cornish Park are inundated in Algonquin. Low-lying sections of Trout Park inundated north of Elgin. * ADDITIONAL DETAILS... - At 9:30 AM CDT Tuesday the stage was 9.5 feet. - Forecast...Due to forecasted rainfall tonight, the river is now expected remain above flood stage for the next several days. - Flood stage is 9.5 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: 
Kane, IL; Lake, IL; McHenry, IL
Forcast Office: 
NWS Chicago IL