641
FLUS43 KLOT 212156
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
356 PM CST WED JAN 21 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-222200-
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-
356 PM CST WED JAN 21 2026 /456 PM EST WED JAN 21 2026/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
TONIGHT.
WEATHER HAZARDS EXPECTED...
ELEVATED NON THUNDERSTORM WIND RISK.
LIMITED SNOW RISK.
DISCUSSION...
GUSTY SCATTERED SNOW SHOWERS ARE EXPECTED TO MOVE ACROSS THE AREA
THIS EVENING AND MAY RESULT IN LOCALIZED SNOW ACCUMULATIONS UP TO
ONE INCH AND HAZARDOUS TRAVEL, PARTICULARLY IN AREAS NORTH
OF I-80.
STRONG WESTERLY WINDS WILL GUST TO 40 TO 50 MPH FOR A COUPLE HOUR
PERIOD THIS EVENING. THIS WILL CAUSE BLOWING AND DRIFTING SNOW
AND LOW VISIBILITIES IN OPEN AREAS OF FAR NORTHERN IL.
EXTENSIVE ICE COVER ON AREA RIVERS MAY CAUSE LOCALIZED ICE JAM
FLOODING.
DAYS TWO THROUGH SEVEN
THURSDAY THROUGH TUESDAY.
THURSDAY NIGHT AND FRIDAY MORNING...
SIGNIFICANT EXCESSIVE COLD RISK.
SATURDAY...
ELEVATED EXCESSIVE COLD RISK.
LIMITED SNOW RISK.
SUNDAY...
LIMITED EXCESSIVE COLD RISK.
LIMITED SNOW RISK.
MONDAY...
LIMITED EXCESSIVE COLD RISK.
DISCUSSION...
DANGEROUSLY COLD CONDITIONS ARE EXPECTED THURSDAY NIGHT INTO
FRIDAY MORNING WITH BITTERLY COLD CONDITIONS CONTINUING THROUGH
THE WEEKEND.
ACCUMULATING SNOW IS POSSIBLE LATE SATURDAY INTO SUNDAY, BUT
CONSIDERABLE UNCERTAINTY REMAINS WITH THIS SYSTEM.
EXTENSIVE ICE COVER ON AREA RIVERS MAY CAUSE LOCALIZED ICE JAM
FLOODING.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
LMZ740>745-222200-
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-
356 PM CST WED JAN 21 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
TONIGHT.
WEATHER HAZARDS EXPECTED...
GALE FORCE WINDS AND OR VERY HAZARDOUS WAVES.
ELEVATED FREEZING SPRAY RISK.
DAYS TWO THROUGH SEVEN
THURSDAY THROUGH TUESDAY.
THURSDAY AND FRIDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
SIGNIFICANT FREEZING SPRAY RISK.
KJB
VISIT US AT WWW.WEATHER.GOV/CHICAGO
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page