Illinois Flood Warning | Effective 04/23/2026 11:53

Headline: 
Flood Warning issued April 23 at 1:53PM CDT until April 30 at 1:00PM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
April 23, 2026 - 11:53am
Expires: 
April 30, 2026 - 11:00am
Description: 
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Lake IL and McHenry. * WHEN...Until further notice. * IMPACTS...Numerous roads, yards, structures, and areas of park land are flooding along the Fox River Chain of Lakes. Flooding will continue through at least next week. * ADDITIONAL DETAILS... - At 138 PM CDT, River gauges along the Fox River Chain of Lakes indicate that water levels have remained nearly steady for the past 24 hours and are likely at a crest in major flood stage. The latest forecast from the Illinois Department of Natural Resources indicates that water levels should begin to slowly fall by Friday. - Some locations that will experience flooding include areas along the Fox River Chain of Lakes, including Nippersink Lake, Fox Lake, Pistakee Lake, Petite Lake, Lake Marie, Channel Lake, and Lake Catherine. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Lake, IL; McHenry, IL
Forcast Office: 
NWS Chicago IL