450  
WOUS64 KWNS 162343  
WOU6  
 
SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 596  
NWS STORM PREDICTION CENTER NORMAN OK  
643 PM CDT SAT AUG 16 2025  
 
SEVERE THUNDERSTORM WATCH 596 REMAINS IN EFFECT UNTIL 700 PM CDT  
FOR THE FOLLOWING LOCATIONS  
 
ILC007-031-037-043-089-093-097-111-141-177-197-201-170000-  
/O.CON.KWNS.SV.A.0596.000000T0000Z-250817T0000Z/  
 
IL  
. ILLINOIS COUNTIES INCLUDED ARE  
 
BOONE COOK DE KALB  
DUPAGE KANE KENDALL  
LAKE MCHENRY OGLE  
STEPHENSON WILL WINNEBAGO  
 
 
INC089-127-170000-  
/O.CON.KWNS.SV.A.0596.000000T0000Z-250817T0000Z/  
 
IN  
. INDIANA COUNTIES INCLUDED ARE  
 
LAKE PORTER  
 
 
LMZ740-741-742-743-744-745-777-779-170000-  
/O.CON.KWNS.SV.A.0596.000000T0000Z-250817T0000Z/  
 
CW  
 
. ADJACENT COASTAL WATERS INCLUDED ARE  
 
WINTHROP HARBOR TO WILMETTE HARBOR IL  
 
WILMETTE HARBOR TO NORTHERLY ISLAND IL  
 
NORTHERLY ISLAND TO CALUMET HARBOR IL  
 
CALUMET HARBOR IL TO GARY IN  
 
GARY TO BURNS HARBOR IN  
 
BURNS HARBOR TO MICHIGAN CITY IN  
 
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5NM  
OFFSHORE TO MID LAKE  
 
LAKE MICHIGAN FROM WILMETTE HARBOR TO MICHIGAN CITY IN 5NM  
OFFSHORE TO MID LAKE  
 
 
 
ATTN...WFO...LOT...DVN...  
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