216
FLUS43 KLOT 282136
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
336 PM CST SUN DEC 28 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-292145-
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 PM CST SUN DEC 28 2025 /436 PM EST SUN DEC 28 2025/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
TONIGHT.
WEATHER HAZARDS EXPECTED...
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 TORNADO RISK.
LEVEL 2 OF 5 DAMAGING WIND RISK...UP TO 65 MPH.
LIMITED FLOODING RISK.
ELEVATED NON THUNDERSTORM WIND RISK.
LIMITED SNOW RISK.
DISCUSSION...
SCATTERED THUNDERSTORMS ARE EXPECTED SOUTH OF I-80 THROUGH EARLY
THIS EVENING. SOME OF THESE THUNDERSTORMS COULD BE SEVERE, CAPABLE
OF PRODUCING DAMAGING WINDS TO 65 MPH AS WELL AS A LOW THREAT OF A
COUPLE OF TORNADOES.
STRONG WEST WINDS ARE EXPECTED TONIGHT WITH GUSTS OF 45 TO 55 MPH.
GUSTS OF 50 TO 65 MPH ARE EXPECTED ALONG THE INDIANA LAKE MICHIGAN
SHORE, MAINLY EAST OF GARY.
A PERIOD OF ACCUMULATING LIGHT SNOW IS EXPECTED LATE THIS EVENING
THROUGH DAYBREAK MONDAY MORNING, MAINLY ALONG AND NORTH OF I-80.
WHILE ACCUMULATIONS ARE EXPECTED TO BE GENERALLY LESS THAN AN INCH,
EVEN A COATING OF SNOW ON ROADWAYS WILL RESULT IN HAZARDOUS TRAVEL.
THE STRONG WINDS MAY PRODUCE BLOWING SNOW AND LOW VISIBILITY.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY.
MONDAY...
ELEVATED NON THUNDERSTORM WIND RISK.
MODERATE LAKESHORE FLOOD RISK INDIANA SHORE EAST OF GARY.
WEDNESDAY...
LIMITED SNOW RISK.
SPOTTER INFORMATION STATEMENT
SPOTTERS WILL BE NEEDED THROUGH EARLY THIS EVENING, SOUTH OF I-80.
GENERAL STORM MOTION OF THE DAY:
MOVING TOWARD THE NORTHEAST AT 60 MPH.
LMZ740>745-292145-
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 PM CST SUN DEC 28 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...
STORM FORCE WINDS AND EXTREMELY HAZARDOUS WAVES.
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 THUNDERSTORM WIND GUST RISK...UP TO 40 KNOTS.
ELEVATED FOG RISK EARLY THIS EVENING.
ELEVATED FREEZING SPRAY RISK LATE TONIGHT.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY.
MONDAY...
STORM FORCE WINDS AND EXTREMELY HAZARDOUS WAVES.
ELEVATED FREEZING SPRAY RISK.
TUESDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
ELEVATED FREEZING SPRAY RISK.
WEDNESDAY AND THURSDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
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