940
WGUS53 KLOT 170836
FFWLOT
ILC031-043-089-093-197-171030-
/O.NEW.KLOT.FF.W.0016.250817T0836Z-250817T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHICAGO IL
336 AM CDT SUN AUG 17 2025
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN COOK COUNTY IN NORTHEASTERN ILLINOIS...
WESTERN DUPAGE COUNTY IN NORTHEASTERN ILLINOIS...
KANE COUNTY IN NORTHEASTERN ILLINOIS...
NORTHERN KENDALL COUNTY IN NORTHEASTERN ILLINOIS...
WILL COUNTY IN NORTHEASTERN ILLINOIS...
* UNTIL 530 AM CDT.
* AT 336 AM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS ONGOING OR
EXPECTED TO BEGIN SHORTLY.
HAZARD...FLASH FLOODING.
SOURCE...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATE RAIN
RATES OF 1 TO 3 INCHES PER HOUR IN TRAINING
THUNDERSTORMS.
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, JOLIET, NAPERVILLE, ELGIN, BOLINGBROOK, ORLAND PARK,
TINLEY PARK, WHEATON, BARTLETT, CAROL STREAM, ROMEOVILLE,
PLAINFIELD, ST. CHARLES, WOODRIDGE, OSWEGO, CHICAGO HEIGHTS, OAK
FOREST, WEST CHICAGO, BATAVIA AND LOCKPORT.
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 4207 8859 4211 8859 4194 8818 4177 8808
4170 8795 4147 8753 4132 8753 4131 8753
4130 8753 4130 8787 4152 8825 4172 8860
FLASH FLOOD...RADAR INDICATED
BORCHARDT
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