301  
FLUS43 KLOT 152108  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
408 PM CDT MON JUN 15 2026  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-162115-  
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-  
408 PM CDT MON JUN 15 2026 /508 PM EDT MON JUN 15 2026/  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL  
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.  
   
DAY ONE  
TONIGHT.  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN  
TUESDAY THROUGH SUNDAY.  
 
TUESDAY...  
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.  
WEDNESDAY...  
ELEVATED FLOODING RISK.  
ELEVATED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 3 OF 5 SEVERE THUNDERSTORM RISK.  
HIGH SWIM RISK ILLINOIS LAKE MICHIGAN BEACHES.  
THURSDAY...  
HIGH SWIM RISK LAKE MICHIGAN BEACHES.  
SATURDAY AND SUNDAY...  
LIMITED THUNDERSTORM RISK.  
 
DISCUSSION...  
 
SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TUESDAY MORNING  
AND AFTERNOON. SOME STORMS MAY BECOME SEVERE IN THE AFTERNOON.  
 
SEVERE THUNDERSTORMS ARE LIKELY ACROSS THE ENTIRE AREA ON  
WEDNESDAY WITH ALL SEVERE HAZARDS POSSIBLE INCLUDING LARGE  
HAIL, DAMAGING WINDS AND TORNADOES, SOME OF WHICH MAY BE STRONG.  
 
TORRENTIAL RAIN AND LOCALIZED FLASH FLOODING WILL ALSO BE  
POSSIBLE WEDNESDAY.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 
 
 
LMZ740>745-162115-  
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-  
408 PM CDT MON JUN 15 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.  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN  
TUESDAY THROUGH SUNDAY.  
 
TUESDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.  
WEDNESDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
ELEVATED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 3 OF 5 SEVERE THUNDERSTORM RISK.  
THURSDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
SATURDAY AND SUNDAY...  
LIMITED THUNDERSTORM RISK.  
 
 
 
DOOM  
 
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