611
FLUS43 KLOT 152145
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
345 PM CST MON DEC 15 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-162145-
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-
345 PM CST MON DEC 15 2025 /445 PM EST MON DEC 15 2025/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
TONIGHT.
WEATHER HAZARDS EXPECTED...
LIMITED FREEZING FOG RISK OVERNIGHT.
DISCUSSION...
PATCHY FOG WILL DEVELOP OVERNIGHT, AND WHERE IT DEVELOPS IT COULD
BECOME LOCALLY DENSE. TEMPERATURES WILL FALL WELL BELOW FREEZING AGAIN,
AND THEREFORE FOG MAY FREEZE ON SURFACES IF IT BECOMES DENSE.
THIS POTENTIAL IS HIGHEST WEST OF THE FOX RIVER VALLEY AND NORTH OF
INTERSTATE 80.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
THURSDAY...
ELEVATED NON THUNDERSTORM WIND RISK.
LIMITED SNOW RISK.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
LMZ740>745-162145-
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-
345 PM CST MON DEC 15 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
TONIGHT.
WEATHER HAZARDS EXPECTED...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
TUESDAY AND WEDNESDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
THURSDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY WITH A LOW
CHANCE FOR GALE FORCE CONDITIONS.
THURSDAY NIGHT...
ELEVATED FREEZING SPRAY RISK.
FRIDAY AND SATURDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
KMD
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