855  
WGUS83 KLOT 182317  
FLSLOT  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE CHICAGO IL  
617 PM CDT MON AUG 18 2025  
 
ILC099-190230-  
/O.NEW.KLOT.FA.Y.0083.250818T2317Z-250819T0230Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
LA SALLE IL-  
617 PM CDT MON AUG 18 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 930 PM CDT THIS EVENING
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF NORTH CENTRAL ILLINOIS, INCLUDING THE  
FOLLOWING COUNTY, LA SALLE.  
 
* WHEN...UNTIL 930 PM CDT.  
 
* IMPACTS...FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS.  
ROADS AND STREETS MAY BE FLOODED.  
 
* ADDITIONAL DETAILS...  
- AT 616 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES  
INDICATED HEAVY RAIN WITH RATES UP TO 2-3 INCHES PER HOUR  
MOVING INTO THE AREA.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
MENDOTA, SHERIDAN, LAKE HOLIDAY, SOMONAUK, EARLVILLE, SERENA,  
LELAND, MILLINGTON, TROY GROVE, HARDING, PRAIRIE CENTER,  
TRIUMPH AND NORWAY.  
- 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 4146 8860 4146 8917 4163 8917 4163 8860  
 

 
 
WSL  
 
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