852  
FLUS43 KLOT 212345 CCA  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK...CORRECTED  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
645 PM CDT TUE JUL 21 2026  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-221930-  
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-  
LA SALLE-KENDALL-GRUNDY-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-  
NORTHERN COOK-CENTRAL COOK-SOUTHERN COOK-NORTHERN WILL-  
SOUTHERN WILL-EASTERN WILL-LAKE IN-PORTER-NEWTON-JASPER-BENTON-  
645 PM CDT TUE JUL 21 2026 /745 PM EDT TUE JUL 21 2026/  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL  
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.  
   
DAY ONE  
TONIGHT.  
 
WEATHER HAZARDS EXPECTED...  
 
HIGH SWIM RISK AT LAKE MICHIGAN BEACHES.  
 
DISCUSSION...  
 
BUILDING WAVES AND RIP CURRENTS WILL LEAD TO DANGEROUS SWIMMING  
CONDITIONS AT UNPROTECTED LAKE MICHIGAN BEACHES.  
   
DAYS TWO THROUGH SEVEN  
WEDNESDAY THROUGH MONDAY.  
 
WEDNESDAY...  
HIGH SWIM RISK AT LAKE MICHIGAN BEACHES.  
SATURDAY NIGHT...  
LIMITED THUNDERSTORM RISK.  
SUNDAY AND MONDAY...  
LIMITED THUNDERSTORM RISK.  
LIMITED EXCESSIVE HEAT RISK.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 
 
 
LMZ740>745-221930-  
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-  
645 PM CDT TUE JUL 21 2026  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE ILLINOIS  
NEARSHORE WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE  
WATERS OF LAKE MICHIGAN.  
   
DAY ONE  
TONIGHT.  
 
WEATHER HAZARDS EXPECTED...  
 
HAZARDOUS CONDITIONS FOR SMALL CRAFT.  
   
DAYS TWO THROUGH SEVEN  
WEDNESDAY THROUGH MONDAY.  
 
WEDNESDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
SATURDAY NIGHT...  
LIMITED THUNDERSTORM RISK.  
SUNDAY AND MONDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE POSSIBLE.  
LIMITED THUNDERSTORM RISK.  
 
 
 
KMD  
 
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