921  
FLUS43 KLOT 140856  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
356 AM CDT SUN SEP 14 2025  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-150900-  
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-  
356 AM CDT SUN SEP 14 2025 /456 AM EDT SUN SEP 14 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...  
 
ELEVATED FOG RISK THIS MORNING.  
 
DISCUSSION...  
 
AREAS OF FOG WILL PERSIST THROUGH MID-MORNING, ESPECIALLY NEAR THE  
ILLINOIS-WISCONSIN LINE. POCKETS OF DENSE FOG ARE ALSO POSSIBLE  
WITH VISIBILITIES AROUND A QUARTER MILE OR LESS.  
   
DAYS TWO THROUGH SEVEN  
MONDAY THROUGH SATURDAY.  
 
THURSDAY NIGHT AND FRIDAY...  
LIMITED THUNDERSTORM RISK.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 
 
 
LMZ740>745-150900-  
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-  
356 AM CDT SUN SEP 14 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 FOG RISK THIS MORNING.  
   
DAYS TWO THROUGH SEVEN  
MONDAY THROUGH SATURDAY.  
 
FRIDAY AND SATURDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
 
 
 
YACK  
 
VISIT US AT WWW.WEATHER.GOV/CHICAGO  
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