777  
WWUS63 KLOT 190056  
WCNLOT  
 
WATCH COUNTY NOTIFICATION FOR WATCH 599  
NATIONAL WEATHER SERVICE CHICAGO IL  
756 PM CDT MON AUG 18 2025  
 
ILC007-037-089-103-111-141-201-190200-  
/O.CAN.KLOT.SV.A.0599.000000T0000Z-250819T0100Z/  
 
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM  
WATCH 599 FOR THE FOLLOWING AREAS  
 
IN ILLINOIS THIS CANCELS 7 COUNTIES  
 
IN NORTH CENTRAL ILLINOIS  
 
BOONE DE KALB LEE  
OGLE WINNEBAGO  
 
IN NORTHEAST ILLINOIS  
 
KANE MCHENRY  
 
THIS INCLUDES THE CITIES OF ALGONQUIN, AURORA, BELVIDERE, BYRON,  
CRYSTAL LAKE, DEKALB, DIXON, ELGIN, MCHENRY, OREGON, ROCHELLE,  
ROCKFORD, SYCAMORE, AND WOODSTOCK.  
 

 
 
ILC063-093-099-190200-  
/O.EXT.KLOT.SV.A.0599.000000T0000Z-250819T0200Z/  
 
SEVERE THUNDERSTORM WATCH 599, PREVIOUSLY IN EFFECT UNTIL 8 PM  
CDT THIS EVENING, IS NOW IN EFFECT UNTIL 9 PM CDT THIS EVENING  
FOR THE FOLLOWING AREAS  
 
IN ILLINOIS THIS WATCH INCLUDES 3 COUNTIES  
 
IN NORTH CENTRAL ILLINOIS  
 
LA SALLE  
 
IN NORTHEAST ILLINOIS  
 
GRUNDY KENDALL  
 
THIS INCLUDES THE CITIES OF COAL CITY, LA SALLE, MARSEILLES,  
MENDOTA, MINOOKA, MORRIS, OSWEGO, OTTAWA, PLANO, STREATOR,  
AND YORKVILLE.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page