Flash Flood Warning 03/06/2026 17:02 Illinois, Indiana

Headline: 
Flash Flood Warning issued March 6 at 7:02PM CST until March 6 at 8:45PM CST by NWS Chicago IL
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
March 6, 2026 - 5:02pm
Expires: 
March 6, 2026 - 6:45pm
Description: 
At 702 PM CST, Emergency management reported thunderstorms producing heavy rain across the warned area and flooded. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding. SOURCE...Emergency management. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Hammond, Gary, Tinley Park, Calumet City, Portage, Merrillville, Chicago Heights, East Chicago, Schererville, Hobart, Lansing, Oak Forest, Harvey, Highland, Munster, Dolton, Park Forest, Homewood, Matteson and Mokena. Emergency management reports roads flooded in Munster, Indiana.
Instruction: 
A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Cook, IL; Will, IL; Lake, IN
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov