865  
FLUS43 KLOT 190931  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
331 AM CST SUN JAN 19 2025  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-200945-  
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-  
331 AM CST SUN JAN 19 2025 /431 AM EST SUN JAN 19 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 EXCESSIVE COLD RISK.  
 
DISCUSSION...  
 
AN ARCTIC COLD AIR MASS HAS ARRIVED WITH BITTERLY COLD TEMPERATURES  
THIS MORNING, MAINLY NORTHWEST OF THE FOX VALLEY. COLD WIND  
CHILLS SPREAD ACROSS THE AREA TONIGHT INTO MONDAY MORNING.  
   
DAYS TWO THROUGH SEVEN  
MONDAY THROUGH SATURDAY.  
 
MONDAY AND TUESDAY...  
ELEVATED EXCESSIVE COLD RISK.  
WEDNESDAY MORNING...  
LIMITED EXCESSIVE COLD RISK.  
 
DISCUSSION...  
 
A STRETCH OF BITTERLY COLD WEATHER THROUGH WEDNESDAY WILL BE  
ACCOMPANIED BY DANGEROUSLY COLD WIND CHILLS OF -20 DEGREES OR  
COLDER AT TIMES, ESPECIALLY MONDAY MORNING AS WELL AS MONDAY  
NIGHT INTO TUESDAY MORNING.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 
 
 
LMZ740>745-200945-  
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-  
331 AM CST SUN JAN 19 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.  
SIGNIFICANT FREEZING SPRAY RISK.  
   
DAYS TWO THROUGH SEVEN  
MONDAY THROUGH SATURDAY.  
 
MONDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
WEDNESDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
 
 
 
DK  
 
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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