586  
FLUS43 KLOT 192033  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
333 PM CDT FRI APR 19 2024  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-202045-  
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-  
333 PM CDT FRI APR 19 2024 /433 PM EDT FRI APR 19 2024/  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL  
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.  
   
DAY ONE
 
TONIGHT.  
 
WEATHER HAZARDS EXPECTED...  
 
LIMITED FREEZE/FROST RISK.  
 
DISCUSSION...  
 
PATCHY FROST AND FREEZING TEMPERATURES ARE POSSIBLE ACROSS  
NORTHWEST ILLINOIS TONIGHT.  
 
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY.  
 
SATURDAY NIGHT AND SUNDAY NIGHT...  
ELEVATED TO SIGNIFICANT FREEZE/FROST RISK.  
TUESDAY...  
LIMITED THUNDERSTORM RISK.  
WEDNESDAY NIGHT...  
LIMITED FROST RISK.  
 
DISCUSSION...  
 
PERIODS OF SUBFREEZING TEMPERATURES AND FROST ARE POSSIBLE  
LATE SATURDAY NIGHT AND AGAIN LATE SUNDAY NIGHT.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 

 
 
LMZ740>745-202045-  
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-  
333 PM CDT FRI APR 19 2024  
 
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
 
TONIGHT.  
 
WEATHER HAZARDS EXPECTED...  
 
HAZARDOUS CONDITIONS FOR SMALL CRAFT THIS EVENING.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY.  
 
MONDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
TUESDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
LIMITED THUNDERSTORM RISK.  
WEDNESDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
 

 
 
YACK  
 
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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