095  
WGUS83 KLOT 182117  
FLSLOT  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE CHICAGO IL  
417 PM CDT MON AUG 18 2025  
 
ILC037-103-190015-  
/O.NEW.KLOT.FA.Y.0078.250818T2117Z-250819T0015Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
DE KALB IL-LEE IL-  
417 PM CDT MON AUG 18 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 715 PM CDT THIS EVENING
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF NORTH CENTRAL ILLINOIS, INCLUDING THE  
FOLLOWING COUNTIES, DE KALB AND LEE.  
 
* WHEN...UNTIL 715 PM CDT.  
 
* IMPACTS...FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS.  
ROADS AND STREETS MAY BE FLOODED.  
 
* ADDITIONAL DETAILS...  
- AT 416 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES  
INDICATED HEAVY RAIN DUE TO THUNDERSTORMS WITH RAINFALL RATES  
IN EXCESS OF 2 INCHES PER HOUR. UP TO 1.5 INCHES OF RAIN HAVE  
FALLEN.  
- SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...  
SANDWICH, SHABBONA, LAKE HOLIDAY, HINCKLEY, SOMONAUK,  
WATERMAN, PAW PAW, SUBLETTE, WOODHAVEN LAKES, LEE, COMPTON,  
STEWARD, WEST BROOKLYN AND LEE CENTER.  
- 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 4159 8917 4159 8943 4189 8916 4189 8894  
4187 8894 4188 8860 4163 8860 4163 8917  
 

 
 
WSL  
 
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