Headline:
Flash Flood Warning issued June 24 at 8:37PM CDT until June 24 at 11:45PM CDT by NWS Chicago IL
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
June 24, 2026 - 6:37pm
Expires:
June 24, 2026 - 9:45pm
Description:
FFWLOT
The National Weather Service in Chicago has issued a
* Flash Flood Warning for...
Southeastern Cook County in northeastern Illinois...
Northern Lake IN County in northwestern Indiana...
* Until 1145 PM CDT.
* At 837 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing rainfall rates in excess of 1 inch per
hour continuing across the warned area. Up to 2 inches has
occurred so far near Lemont, Orland Park, and Palos Hills. A few
reports of street flooding have been received from southern Cook
County.
HAZARD...Flash flooding.
SOURCE...Radar and automated gauges.
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...
Chicago, Hammond, Gary, Orland Park, Tinley Park, Oak Lawn,
Calumet City, Portage, Merrillville, Chicago Heights, Roseland,
East Chicago, Schererville, Hobart, Lansing, Oak Forest, Harvey,
Highland, Blue Island and Munster.
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.
Area Description:
Cook, IL; Lake, IN
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov