697  
WGUS83 KLOT 172357  
FLSLOT  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE CHICAGO IL  
657 PM CDT SUN AUG 17 2025  
 
ILC099-180200-  
/O.NEW.KLOT.FA.Y.0076.250817T2357Z-250818T0200Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
LA SALLE IL-  
657 PM CDT SUN AUG 17 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 9 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 900 PM CDT.  
 
* IMPACTS...CREEKS AND STREAMS MAY RISE OUT OF THEIR BANKS. FLOODING  
MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS.  
 
* ADDITIONAL DETAILS...  
- AT 657 PM CDT, DOPPLER RADAR NEARLY STATIONARY THUNDERSTORMS  
PRODUCING TORRENTIAL RAINFALL. UP TO 1.5 INCHES OF RAIN HAVE  
FALLEN IN THE LASALLE PERU AREA BETWEEN 6:20 PM AND 6:50 PM.  
- ADDITIONAL RAINFALL AMOUNTS UP TO 2 INCHES ARE EXPECTED OVER  
THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR FLOODING.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
PERU, LA SALLE, OGLESBY AND NORTH UTICA.  
- 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 4127 8900 4127 8907 4130 8916 4131 8916  
4132 8916 4135 8916 4136 8916 4138 8916  
4140 8917 4142 8917 4136 8903 4132 8899  
 
 
 
- IZZI  
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