555  
WGUS53 KLOT 011241  
FFWLOT  
ILC031-043-011645-  
/O.NEW.KLOT.FF.W.0042.260801T1241Z-260801T1645Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE CHICAGO IL  
741 AM CDT SAT AUG 1 2026  
 
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.  
 
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 8809 4184 8807 4191 8803 4195 8792  
4193 8782 4186 8781 4164 8791 4164 8803  
4173 8803  
 
FLASH FLOOD...RADAR AND GAUGE INDICATED  
 

 
 
KLUBER  
 
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