Flood Warning Illinois, Indiana | Effective 04/04/2026 04:17

Headline: 
Flood Warning issued April 4 at 6:17AM CDT until April 4 at 10:00AM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 4, 2026 - 4:17am
Expires: 
April 4, 2026 - 8:00am
Description: 
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Portions of Illinois, including the following counties, Cook, Grundy, Kankakee, La Salle, Livingston and Will and northwest Indiana, including the following county, Lake IN. * WHEN...Until 1000 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Underpasses may be flooded. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 609 AM CDT, Doppler radar and automated rain gauges indicate a swath of 1 to 3 inches of rain fell over the warned area late last evening, with a localized amounts near 4 inches across parts of central Livingston county. While the threat for additional heavy rain is ending, standing water on roads will continue this morning. Additionally, several creeks and streams, particularly across southern Cook county are rising into action or minor flood stage. - Additional rainfall amounts up to 0.5 inches are possible in the warned area. - Some locations that will experience flooding include... Chicago, Hammond, Gary, Orland Park, Tinley Park, Calumet City, Chicago Heights, Roseland, East Chicago, Lansing, Oak Forest, Harvey, New Lenox, Highland, Blue Island, Munster, Dolton, Park Forest, Homewood and Matteson. - http://www.weather.gov/safety/flood
Instruction: 
A Flood Warning means flooding is imminent or may already be occurring. Persons along rivers, creeks, and other waterways should take immediate precautions to protect life and property.
Area Description: 
Cook, IL; Grundy, IL; Kankakee, IL; La Salle, IL; Livingston, IL; Will, IL; Lake, IN
Forcast Office: 
NWS Chicago IL