Headline:
Flash Flood Warning issued August 1 at 7:41AM CDT until August 1 at 11:45AM CDT by NWS Chicago IL
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
August 1, 2026 - 5:41am
Expires:
August 1, 2026 - 9:45am
Description:
FFWLOT
The National Weather Service in Chicago has issued a
* Flash Flood Warning for...
Central Cook County in northeastern Illinois...
Southeastern DuPage County in northeastern Illinois...
* Until 1145 AM CDT.
* At 741 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Up to 3
inches of rain have fallen. Additional rainfall amounts of 1 to 2
inches are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
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...
Downers Grove, Elmhurst, Lombard, Addison, Woodridge, Glen Ellyn,
Melrose Park, Maywood, Brookfield, Franklin Park, Hinsdale,
Westchester, Lemont, La Grange, Burr Ridge, Oak Brook and Elmwood
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; DuPage, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov