591
FLUS43 KLOT 180936
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
336 AM CST SUN JAN 18 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-190945-
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-
336 AM CST SUN JAN 18 2026 /436 AM EST SUN JAN 18 2026/
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...
LIGHT ACCUMULATING SNOW IS EXPECTED TO DEVELOP LATE THIS
AFTERNOON AND CONTINUE THROUGH THIS EVENING WITH HAZARDOUS
TRAVEL CONDITIONS POSSIBLE.
WIND CHILLS 20 BELOW TO 25 BELOW ZERO ARE EXPECTED ACROSS MOST
OF NORTHERN ILLINOIS LATE TONIGHT, WITH WIND CHILLS 15 BELOW
ZERO EXPECTED ACROSS NORTHWEST INDIANA.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY.
MONDAY...
ELEVATED EXCESSIVE COLD RISK.
TUESDAY...
LIMITED EXCESSIVE COLD RISK.
LIMITED SNOW RISK.
WEDNESDAY...
LIMITED SNOW RISK.
FRIDAY...
LIMITED SNOW RISK.
SATURDAY...
LIMITED EXCESSIVE COLD RISK.
LIMITED SNOW RISK.
DISCUSSION...
WIND CHILLS 20 BELOW TO 25 BELOW ZERO ARE EXPECTED ACROSS MOST
OF NORTHERN ILLINOIS MONDAY MORNING, WITH WIND CHILLS 15 BELOW
ZERO EXPECTED ACROSS NORTHWEST INDIANA.
ANOTHER PERIOD OF ACCUMULATING SNOW IS POSSIBLE TUESDAY NIGHT
INTO WEDNESDAY MORNING, ESPECIALLY FOR AREAS ALONG AND NORTH OF
INTERSTATE 80.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
LMZ740>745-190945-
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-
336 AM CST SUN JAN 18 2026
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 TONIGHT.
SIGNIFICANT FREEZING SPRAY RISK TONIGHT.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY.
MONDAY...
GALE FORCE WINDS AND VERY HAZARDOUS WAVES.
SIGNIFICANT FREEZING SPRAY RISK.
TUESDAY THROUGH SATURDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
VISIT US AT WWW.WEATHER.GOV/CHICAGO
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