275  
FLUS43 KLOT 030217  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
917 PM CDT WED JUL 2 2025  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-040230-  
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-  
917 PM CDT WED JUL 2 2025 /1017 PM EDT WED JUL 2 2025/  
 
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
 
THURSDAY THROUGH TUESDAY.  
 
THURSDAY...  
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.  
FRIDAY AND SATURDAY...  
LIMITED EXCESSIVE HEAT RISK.  
SATURDAY EVENING THROUGH MONDAY...  
LIMITED THUNDERSTORM RISK.  
 
DISCUSSION...  
 
ISOLATED GUSTY THUNDERSTORMS ARE POSSIBLE THURSDAY AFTERNOON AND  
EVENING.  
 
INCREASING HEAT AND HUMIDITY IS EXPECTED FOR THE HOLIDAY WEEKEND  
WITH PERIODIC THUNDERSTORM CHANCES RETURNING LATE SATURDAY INTO  
EARLY NEXT WEEK.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 

 
 
LMZ740>745-040230-  
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-  
917 PM CDT WED JUL 2 2025  
 
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
 
THURSDAY THROUGH TUESDAY.  
 
THURSDAY...  
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.  
SATURDAY AND SUNDAY...  
LIMITED THUNDERSTORM RISK.  
 

 
 
- IZZI  
 
VISIT US AT WWW.WEATHER.GOV/CHICAGO  
 
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