388  
FLUS43 KLOT 161121  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
521 AM CST SUN FEB 16 2025  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-171130-  
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-  
521 AM CST SUN FEB 16 2025 /621 AM EST SUN FEB 16 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 TONIGHT.  
LIMITED SNOW RISK.  
 
DISCUSSION...  
 
ACCUMULATING LAKE EFFECT SNOW IS EXPECTED IN AREAS NEAR THE  
ILLINOIS LAKESHORE THROUGH THIS MORNING AND IN NORTHWEST INDIANA  
THROUGH THIS AFTERNOON. IMPACTS TO TRAVEL DUE TO SNOW-COVERED  
ROADS AND SHARP REDUCTIONS IN VISIBILITY ARE EXPECTED IN AREAS  
AFFECTED BY THE LAKE EFFECT SNOW BAND.  
 
MINIMUM WIND CHILLS BETWEEN 10 BELOW AND 25 BELOW ZERO ARE EXPECTED  
ACROSS THE AREA TONIGHT INTO MONDAY MORNING, COLDEST ACROSS  
INTERIOR PORTIONS OF NORTHERN ILLINOIS.  
 
   
DAYS TWO THROUGH SEVEN  
MONDAY THROUGH SATURDAY.  
 
MONDAY AND TUESDAY...  
ELEVATED EXCESSIVE COLD RISK.  
WEDNESDAY...  
LIMITED EXCESSIVE COLD RISK.  
LIMITED SNOW RISK.  
THURSDAY THROUGH SATURDAY...  
LIMITED EXCESSIVE COLD RISK.  
 
DISCUSSION...  
 
BITTERLY COLD TEMPERATURES ARE EXPECTED THROUGH THE WEEK WITH  
EARLY MORNING MINIMUM WIND CHILLS BETWEEN 10 BELOW AND 30 BELOW  
ZERO.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 
 
 
LMZ740>745-171130-  
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-  
521 AM CST SUN FEB 16 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...  
 
GALE FORCE WINDS AND VERY HAZARDOUS WAVES.  
   
DAYS TWO THROUGH SEVEN  
MONDAY THROUGH SATURDAY.  
 
MONDAY THROUGH THURSDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY AT TIMES.  
 
 
 
OGOREK  
 
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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