576  
WGUS83 KLOT 182207  
FLSLOT  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE CHICAGO IL  
507 PM CDT MON AUG 18 2025  
 
ILC043-190115-  
/O.NEW.KLOT.FA.Y.0081.250818T2207Z-250819T0115Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
DUPAGE IL-  
507 PM CDT MON AUG 18 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 815 PM CDT THIS EVENING
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF NORTHEAST ILLINOIS, INCLUDING THE FOLLOWING  
COUNTY, DUPAGE.  
 
* WHEN...UNTIL 815 PM CDT.  
 
* IMPACTS...FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS.  
ROADS AND STREETS MAY BE FLOODED.  
 
* ADDITIONAL DETAILS...  
- AT 506 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES  
INDICATED HEAVY RAIN DUE TO THUNDERSTORMS MOVING INTO THE  
AREA WITH RAIN RATES EXCEEDING 2 INCHES PER HOUR. FLOODING  
MAY BEGIN SHORTLY AFTER THE ONSET OF HEAVY RAINFALL.  
- SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...  
CHICAGO, AURORA, NAPERVILLE, ELGIN, SCHAUMBURG, BOLINGBROOK,  
WHEATON, DOWNERS GROVE, ELMHURST, LOMBARD, BARTLETT,  
STREAMWOOD, CAROL STREAM, HANOVER PARK, ADDISON, GLENDALE  
HEIGHTS, ELK GROVE VILLAGE, ST. CHARLES, WOODRIDGE AND GLEN  
ELLYN.  
- 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 4169 8796 4169 8803 4173 8803 4172 8826  
4199 8826 4199 8792 4172 8792  
 

 
 
WSL  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page