Headline:
Flash Flood Warning issued July 27 at 1:05PM CDT until July 27 at 5:00PM CDT by NWS Chicago IL
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
July 27, 2026 - 11:05am
Expires:
July 27, 2026 - 3:00pm
Description:
FFWLOT
The National Weather Service in Chicago has issued a
* Flash Flood Warning for...
Southeastern Cook County in northeastern Illinois...
Central Will County in northeastern Illinois...
* Until 500 PM CDT.
* At 105 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing rainfall rates of 1 to 2 inches per hour.
Up to 2 inches of rain have fallen. Flash flooding is ongoing or
expected to begin shortly.
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, Joliet, Orland Park, Tinley Park, Oak Lawn, Calumet City,
Woodridge, Chicago Heights, Roseland, Lansing, Oak Forest, Harvey,
Lockport, New Lenox, Homer Glen, Blue Island, Dolton, Park Forest,
Homewood and Alsip.
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: