945  
FLUS43 KLOT 160244  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
944 PM CDT THU MAY 15 2025  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-170245-  
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-  
944 PM CDT THU MAY 15 2025 /1044 PM EDT THU MAY 15 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
 
FRIDAY THROUGH WEDNESDAY.  
 
FRIDAY...  
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 2 OF 5 SEVERE THUNDERSTORM RISK.  
ELEVATED NON THUNDERSTORM WIND RISK.  
SIGNIFICANT FIRE WEATHER RISK.  
MONDAY...  
LIMITED THUNDERSTORM RISK.  
WEDNESDAY...  
LIMITED THUNDERSTORM RISK.  
 
DISCUSSION...  
 
CRITICAL FIRE DANGER MAY DEVELOP FRIDAY AFTERNOON ACROSS  
NORTHWESTERN ILLINOIS DUE TO A COMBINATION OF STRONG WINDS UP TO  
45 MPH AND DRY CONDITIONS. IN ADDITION, THUNDERSTORMS MAY DEVELOP  
LATE FRIDAY AFTERNOON AND EVENING WITH A THREAT FOR DAMAGING  
WINDS AND HAIL.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 

 
 
LMZ740>745-170245-  
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-  
944 PM CDT THU MAY 15 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.  
 
WEATHER HAZARDS EXPECTED...  
 
HAZARDOUS CONDITIONS FOR SMALL CRAFT.  
   
DAYS TWO THROUGH SEVEN
 
FRIDAY THROUGH WEDNESDAY.  
 
FRIDAY...  
GALE FORCE WINDS.  
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.  
SATURDAY THROUGH WEDNESDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
 

 
 
OGOREK  
 
VISIT US AT WWW.WEATHER.GOV/CHICAGO  
 
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