163  
WGUS83 KLOT 182237  
FLSLOT  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE CHICAGO IL  
537 PM CDT MON AUG 18 2025  
 
ILC031-043-089-093-197-190230-  
/O.NEW.KLOT.FA.Y.0082.250818T2237Z-250819T0230Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
COOK IL-DUPAGE IL-KANE IL-KENDALL IL-WILL IL-  
537 PM CDT MON AUG 18 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 930 PM CDT THIS EVENING  
   
..REPLACES FLOOD ADVISORIES PREVIOUSLY IN EFFECT  
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF NORTHEAST ILLINOIS, INCLUDING THE FOLLOWING  
COUNTIES, COOK, DUPAGE, KANE, KENDALL AND WILL.  
 
* WHEN...UNTIL 930 PM CDT.  
 
* IMPACTS...FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS.  
UNDERPASSES MAY BE FLOODED. ROADS AND STREETS MAY BE FLOODED.  
 
* ADDITIONAL DETAILS...  
- AT 536 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES  
INDICATED HEAVY RAIN DUE TO THUNDERSTORMS WITH RAINFALL RATES  
EXCEEDING 2 INCHES PER HOUR. UP TO 1.5 INCHES OF RAIN HAVE  
FALLEN.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
CHICAGO, AURORA, NAPERVILLE, ELGIN, CICERO, HAMMOND,  
EVANSTON, SCHAUMBURG, BOLINGBROOK, SKOKIE, DES PLAINES,  
ORLAND PARK, OAK LAWN, BERWYN, WHEATON, OAK PARK, DOWNERS  
GROVE, ELMHURST, LOMBARD AND BARTLETT.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FLOOD ADVISORY MEANS MINOR FLOODING ALONG WATERWAYS AND OTHER POOR  
DRAINAGE AREAS IS IMMINENT OR MAY ALREADY BE OCCURRING. PERSONS IN  
THE ADVISORY AREA SHOULD USE CAUTION AND AVOID FLOOD WATERS.  
 
 
 
LAT...LON 4194 8860 4201 8826 4203 8765 4198 8763  
4197 8762 4195 8762 4193 8761 4191 8761  
4190 8758 4188 8759 4188 8760 4187 8759  
4185 8759 4177 8755 4177 8753 4172 8752  
4164 8753 4163 8860  
 
 
 
WSL  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
The Nexlab IN Page
Main Text Page