055  
FLUS43 KLOT 271535  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1035 AM CDT FRI JUN 27 2025  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-281800-  
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-  
1035 AM CDT FRI JUN 27 2025 /1135 AM EDT FRI JUN 27 2025/  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL  
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
WEATHER HAZARDS EXPECTED...  
 
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 1 OF 5 DAMAGING WIND RISK...UP TO 60 MPH.  
 
DISCUSSION...  
 
THERE IS A CHANCE FOR A FEW NON-SEVERE THUNDERSTORMS LATE THIS  
MORNING WEST OF I-57.  
 
ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED THIS  
AFTERNOON INTO EARLY THIS EVENING, PRIMARILY SOUTH AND EAST OF  
I-55. THE STRONGEST STORMS COULD PRODUCE GUSTY DOWNBURST WINDS  
AND BRIEF HEAVY RAINFALL.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY.  
 
SUNDAY...  
ELEVATED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.  
LIMITED FLOODING RISK.  
LIMITED EXCESSIVE HEAT RISK.  
MONDAY...  
LIMITED THUNDERSTORM RISK.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTERS ACTIVATION IS NOT EXPECTED TONIGHT.  
 
GENERAL STORM MOTION OF THE DAY:  
 
MOVING TOWARD THE EAST-NORTHEST AT 25 MPH.  
 

 
 
LMZ740>745-281800-  
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-  
1035 AM CDT FRI JUN 27 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
 
TODAY AND TONIGHT.  
 
WEATHER HAZARDS EXPECTED...  
 
LIMITED THUNDERSTORM RISK.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY.  
 
SUNDAY...  
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.  
MONDAY...  
LIMITED THUNDERSTORM RISK.  
 

 
 
DK  
 
VISIT US AT WWW.WEATHER.GOV/CHICAGO  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page