590  
FLUS43 KLOT 211009  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
409 AM CST TUE JAN 21 2025  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-221015-  
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-  
409 AM CST TUE JAN 21 2025 /509 AM EST TUE JAN 21 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...  
 
SIGNIFICANT EXCESSIVE COLD RISK.  
 
DISCUSSION...  
 
BITTERLY COLD CONDITIONS WILL OCCUR TODAY. WIND CHILLS OF 20 TO 35  
BELOW ZERO ARE EXPECTED, WITH THE COLDEST CONDITIONS NORTH AND WEST OF  
A LA SALLE TO WAUKEGAN LINE. WIND CHILLS WILL BE NEAR 15 TO 20  
BELOW TONIGHT.  
   
DAYS TWO THROUGH SEVEN
 
WEDNESDAY THROUGH MONDAY.  
 
WEDNESDAY...  
LIMITED EXCESSIVE COLD RISK.  
LIMITED SNOW RISK.  
 
DISCUSSION...  
 
ACCUMULATING SNOW IS EXPECTED ON WEDNESDAY, AND PARTICULARLY  
WEDNESDAY AFTERNOON AND EVENING. UP TO AN INCH SNOW MAY LEAD TO  
SLIPPERY TRAVEL CONDITIONS.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 

 
 
LMZ740>745-221015-  
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-  
409 AM CST TUE JAN 21 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...  
 
HAZARDOUS CONDITIONS FOR SMALL CRAFT TONIGHT.  
   
DAYS TWO THROUGH SEVEN
 
WEDNESDAY THROUGH MONDAY.  
 
WEDNESDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
 

 
 
CARLAW  
 
VISIT US AT WWW.WEATHER.GOV/CHICAGO  
 
FOLLOW US ON FACEBOOK, TWITTER, AND YOUTUBE AT:  
WWW.FACEBOOK.COM/NWSCHICAGO  
WWW.TWITTER.COM/NWSCHICAGO  
WWW.YOUTUBE.COM/NWSCHICAGO  
 
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