539  
FLUS43 KLOT 191031  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
431 AM CST SAT JAN 19 2019  
 
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-  
201045-  
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DEKALB-KANE-DUPAGE-COOK-  
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-  
LAKE IN-PORTER-NEWTON-JASPER-BENTON-  
431 AM CST SAT JAN 19 2019 /531 AM EST SAT JAN 19 2019/  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL  
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
WEATHER HAZARDS EXPECTED...  
 
LIMITED EXCESSIVE COLD RISK.  
LIMITED NON THUNDERSTORM WIND RISK.  
SIGNIFICANT SNOW RISK.  
ELEVATED LAKESHORE FLOOD RISK  
 
DISCUSSION...  
 
ACCUMULATING SNOW WILL CONTINUE AREA WIDE THIS MORNING THEN  
GRADUALLY TAPER FROM THE WEST THIS AFTERNOON. STRONG NORTHEAST TO  
NORTH WINDS WILL RESULT IN BLOWING AND DRIFTING OF SNOW. THIS  
AFTERNOON, LAKE EFFECT SNOW SHOWERS ARE EXPECTED TO DEVELOP AND  
MOVE INTO PORTIONS OF NORTHEAST ILLINOIS THROUGH THIS EVENING.  
TEMPERATURES ARE EXPECTED TO FALL INTO THE TEENS AND SINGLE DIGITS  
TONIGHT, WITH NEAR ZERO OR SUB ZERO WIND CHILL VALUES.  
 
FINALLY, HIGH WAVES ARE EXPECTED ALONG THE SHORES OF LAKE  
MICHIGAN, AND MAY RESULT IN MINOR LAKE SHORE FLOODING.  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY THROUGH FRIDAY.  
 
SUNDAY...  
LIMITED EXCESSIVE COLD RISK.  
ELEVATED SNOW RISK.  
MONDAY...  
LIMITED EXCESSIVE COLD RISK.  
TUESDAY...  
ELEVATED ICE ACCUMULATION RISK.  
ELEVATED SNOW AND SLEET RISK.  
THURSDAY...  
LIMITED EXCESSIVE COLD RISK.  
FRIDAY...  
ELEVATED EXCESSIVE COLD RISK.  
 
DISCUSSION:  
 
LAKE EFFECT SNOW SHOWERS WILL CONTINUE ACROSS PORTIONS OF  
NORTHEASTERN ILLINOIS AND NORTHWEST INDIANA SUNDAY. A COLDER  
PATTERN SETS UP ACROSS THE REGION, AND SEVERAL DAYS IN THE  
UPCOMING WEEK WILL SEE SINGLE DIGIT OR SUB ZERO LOWS.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 

 
 
LMZ740>745-201045-  
WINTHROP HARBOR TO WILMETTE HARBOR-  
WILMETTE HARBOR TO NORTHERLY ISLAND-  
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-  
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-  
431 AM CST SAT JAN 19 2019  
 
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 WITH OCCASIONAL GALE FORCE  
WINDS AND VERY HAZARDOUS WAVES.  
SIGNIFICANT FREEZING SPRAY RISK  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY THROUGH FRIDAY.  
 
SUNDAY AND MONDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
SIGNIFICANT FREEZING SPRAY RISK  
TUESDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
WEDNESDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
LIMITED FREEZING SPRAY RISK  
THURSDAY AND FRIDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.  
 

 
 
BMD  
 
VISIT US AT HTTP://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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