Headline:
Flash Flood Warning issued July 3 at 10:50PM CDT until July 4 at 2:00AM CDT by NWS Chicago IL
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
July 3, 2026 - 8:50pm
Expires:
July 4, 2026 - 12:00am
Description:
FFWLOT
The National Weather Service in Chicago has issued a
* Flash Flood Warning for...
South Central Cook County in northeastern Illinois...
Central Will County in northeastern Illinois...
* Until 200 AM CDT.
* At 1050 PM CDT, Doppler radar indicated thunderstorms with
rainfall rates of 1 to 2 inches per hour continuing across the
area. Up to 2 inches of rain have fallen. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Flash flooding.
SOURCE...Radar.
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...
Orland Park, Tinley Park, Oak Forest, New Lenox, Homer Glen, Park
Forest, Mokena, Frankfort, Steger, Richton Park, Palos Heights,
Worth, Frankfort Square, Crete, University Park, Manhattan, Monee,
Orland Hills and Palos Park.
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; Will, IL
Forcast Office:
NWS Chicago IL
Sender: