Headline:
Flash Flood Warning issued July 4 at 4:35PM CDT until July 4 at 9:30PM CDT by NWS Chicago IL
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
July 4, 2026 - 2:35pm
Expires:
July 4, 2026 - 7:30pm
Description:
FFWLOT
The National Weather Service in Chicago has issued a
* Flash Flood Warning for...
Southern DuPage County in northeastern Illinois...
Northwestern Will County in northeastern Illinois...
* Until 930 PM CDT.
* At 435 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing rainfall rates of up to 3 inches per hour
across the warned area. Additional rainfall amounts up to 3 inches
or more are possible in the warned area. Significant flash
flooding is ongoing or expected to begin shortly.
HAZARD...Significant flash flooding.
SOURCE...Radar and automated gauges.
IMPACT...Rapid-onset, significant flooding of creeks, streams,
drainage ditches, low-lying areas, and poor drainage
areas. Widespread street and underpass flooding.
Possible flooding of structures. Possible flooding of
highways.
* Some locations that will experience flash flooding include...
Aurora, Naperville, Bolingbrook, Downers Grove, Romeoville,
Woodridge, Lemont, Burr Ridge, Westmont, Lisle, Darien,
Warrenville, Willowbrook and Willow Springs.
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:
DuPage, IL; Will, IL
Forcast Office:
NWS Chicago IL
Sender: