912
WGUS73 KLOT 182326
FFSLOT
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
626 PM CDT MON AUG 18 2025
ILC043-190145-
/O.CON.KLOT.FF.W.0021.000000T0000Z-250819T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DUPAGE IL-
626 PM CDT MON AUG 18 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT THIS
EVENING FOR SOUTHERN DUPAGE COUNTY...
AT 626 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN. RAINFALL RATES HAVE RECENTLY
DIMINISHED TO ABOUT 1 INCH PER HOUR. UP TO 2 INCHES OF RAIN HAVE
FALLEN, WITH ADDITIONAL RAINFALL AMOUNTS UP TO 0.5 INCHES POSSIBLE.
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...
AURORA, NAPERVILLE, BOLINGBROOK, WHEATON, DOWNERS GROVE, LOMBARD,
WOODRIDGE, GLEN ELLYN, HINSDALE, LEMONT, BURR RIDGE, OAK BROOK,
WESTMONT, LISLE, DARIEN, WARRENVILLE, WILLOWBROOK AND CLARENDON
HILLS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
LAT...LON 4173 8826 4184 8826 4184 8792 4172 8792
4169 8797 4169 8803 4170 8803 4171 8803
4173 8803
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1 INCH IN 1 HOUR
WSL
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