609  
FLUS43 KLOT 221942  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
242 PM CDT FRI MAY 22 2026  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-231945-  
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-  
242 PM CDT FRI MAY 22 2026 /342 PM EDT FRI MAY 22 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 ILLINOIS LAKE MICHIGAN BEACHES.  
 
DISCUSSION...  
 
LARGE WAVES AND STRONG CURRENTS WILL RESULT IN DANGEROUS SWIMMING  
CONDITIONS AT ILLINOIS BEACHES.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY.  
 
SATURDAY NIGHT AND SUNDAY MORNING...  
LIMITED THUNDERSTORM RISK.  
WEDNESDAY...  
LIMITED THUNDERSTORM RISK.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 

 
 
LMZ740>745-231945-  
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-  
242 PM CDT FRI MAY 22 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 ILLINOIS NEARSHORE.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY.  
 
SATURDAY NIGHT...  
LIMITED THUNDERSTORM RISK.  
WEDNESDAY...  
LIMITED THUNDERSTORM RISK.  
 

 
 
VISIT US AT WWW.WEATHER.GOV/CHICAGO  
 
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