600
FLUS43 KLOT 181022
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
422 AM CST THU DEC 18 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-191030-
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-
422 AM CST THU DEC 18 2025 /522 AM EST THU DEC 18 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...
LIMITED TO ELEVATED NON THUNDERSTORM WIND RISK.
LIMITED EXCESSIVE COLD RISK TONIGHT.
DISCUSSION...
SOUTHERLY WINDS WILL GUST 40 TO 45 MPH LATER THIS MORNING AND
AFTERNOON. WESTERLY WIND GUSTS UP TO 40 MPH ARE EXPECTED TONIGHT.
A LINE OF FAST-MOVING SHOWERS MAY PRODUCE LOCALIZED WIND GUSTS
AROUND 50 MPH BETWEEN 11 AM AND 3 PM.
GUSTY SNOW SHOWERS THIS EVENING MAY RESULT IN SOME LOCALIZED
COATINGS AND SLIPPERY TRAVEL CONDITIONS. WIND CHILLS BELOW ZERO
ARE EXPECTED AREA-WIDE TONIGHT INTO FRIDAY MORNING.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH WEDNESDAY.
FRIDAY MORNING...
LIMITED EXCESSIVE COLD RISK.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
LMZ740>745-191030-
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-
422 AM CST THU DEC 18 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 OR VERY HAZARDOUS WAVES.
ELEVATED FREEZING SPRAY RISK.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH WEDNESDAY.
FRIDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
ELEVATED FREEZING SPRAY RISK.
SATURDAY THROUGH MONDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
WEDNESDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
CARLAW
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