227  
WGUS53 KLOT 011125  
FFWLOT  
ILC093-197-011430-  
/O.NEW.KLOT.FF.W.0041.260801T1125Z-260801T1430Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE CHICAGO IL  
625 AM CDT SAT AUG 1 2026  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
KENDALL COUNTY IN NORTHEASTERN ILLINOIS...  
NORTHWESTERN WILL COUNTY IN NORTHEASTERN ILLINOIS...  
 
* UNTIL 930 AM CDT.  
 
* AT 625 AM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING  
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 2 TO LOCALLY 3 INCHES OF  
RAIN HAVE FALLEN. ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH ARE  
POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS ONGOING OR EXPECTED  
TO BEGIN SHORTLY.  
 
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.  
 
SOURCE...RADAR.  
 
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...  
JOLIET, NAPERVILLE, BOLINGBROOK, ROMEOVILLE, PLAINFIELD, OSWEGO,  
LOCKPORT, YORKVILLE, MINOOKA, CREST HILL, MONTGOMERY, SHOREWOOD,  
BOULDER HILL, FAIRMONT, ROCKDALE AND CRYSTAL LAWNS.  
 
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.  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
 
 
LAT...LON 4172 8843 4173 8803 4153 8803 4146 8825  
4146 8851  
 
FLASH FLOOD...RADAR INDICATED  
 
 
 
BIRK  
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