812  
FLUS43 KLOT 170313  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO IL  
1013 PM CDT FRI OCT 16 2026  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-180315-  
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-  
1013 PM CDT FRI OCT 16 2026 /1113 PM EDT FRI OCT 16 2026/  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL  
ILLINOIS, EAST CENTRAL ILLINOIS, NORTH CENTRAL ILLINOIS,  
NORTHEAST ILLINOIS, AND NORTHWEST INDIANA.  
   
DAY ONE
 
TONIGHT  
 
FROST AND FREEZE CONDITIONS ARE EXPECTED LATE TONIGHT ACROSS  
PORTIONS OF INTERIOR NORTHERN ILLINOIS, ESPECIALLY NEAR AND NORTH  
OF I-80.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY  
 
FROST AND FREEZE CONDITIONS ARE LIKELY AGAIN SATURDAY NIGHT INTO  
EARLY SUNDAY MORNING, ESPECIALLY ACROSS NORTHWEST INDIANA.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 
BEGINNING MONDAY, OCTOBER 19TH, THE HAZARDOUS WEATHER OUTLOOK WILL  
NO LONGER BE ISSUED BY THE CHICAGO FORECAST OFFICE AS WE  
TRANSITION TO MORE EFFECTIVE METHODS OF COMMUNICATING THIS  
INFORMATION.  
 
FOR A DETAILED LOOK AT ALL WEATHER HAZARDS EXPECTED DURING THE  
NEXT WEEK, PLEASE SEE OUR GRAPHICAL HAZARDOUS WEATHER OUTLOOK. ON  
OUR WEBSITE, THIS IS THE FIRST LINK UNDER THE "CURRENT HAZARDS"  
TAB.  
 
FOR A SUMMARY OF OUR KEY WEATHER MESSAGES, INCLUDING STORM MOTIONS  
WHEN THUNDERSTORMS ARE EXPECTED, PLEASE SEE THE WEATHER STORY  
GRAPHICS AVAILABLE ON OUR WEBSITE AND OUR SOCIAL MEDIA CHANNELS.  
 

 
 
LMZ740>745-180315-  
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-  
1013 PM CDT FRI OCT 16 2026  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN.  
   
DAY ONE
 
TONIGHT  
 
GALE FORCE WINDS ARE LIKELY THROUGH THE REMAINDER OF THIS  
EVENING.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY  
 
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE EXPECTED SATURDAY.  
 

 
 
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