002
FLUS43 KLOT 180252 AAA
HWOLOT
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
952 PM CDT WED JUN 17 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-190300-
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-
952 PM CDT WED JUN 17 2026 /1052 PM EDT WED JUN 17 2026/
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 1 OF 5 DAMAGING WIND RISK...UP TO 60 MPH.
HIGH SWIM RISK LAKE MICHIGAN BEACHES.
DISCUSSION...
A FEW ISOLATED TO WIDELY SCATTERED THUNDERSTORMS WILL AFFECT PARTS
OF FAR NORTHEAST ILLINOIS THROUGH THE LATE EVENING HOURS. WIDESPREAD
SEVERE WEATHER IS NOT EXPECTED, THOUGH THE STRONGEST CELLS MAY HAVE
A BRIEF ISOLATED TORNADO OR DAMAGING WIND THREAT. STORMS SHOULD END
BY MIDNIGHT.
DAYS TWO THROUGH SEVEN
THURSDAY THROUGH TUESDAY.
THURSDAY...
HIGH SWIM RISK PORTER COUNTY LAKE MICHIGAN BEACHES.
SATURDAY...
LIMITED THUNDERSTORM RISK.
SUNDAY...
LIMITED FLOODING RISK.
LIMITED THUNDERSTORM RISK.
MONDAY AND TUESDAY...
LIMITED THUNDERSTORM RISK.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
GENERAL STORM MOTION OF THE DAY:
MOVING TOWARD THE EAST-SOUTHEAST AT 35 MPH.
LMZ740>745-190300-
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-
952 PM CDT WED JUN 17 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...
HAZARDOUS CONDITIONS FOR SMALL CRAFT.
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 THUNDERSTORM WIND GUST RISK...UP TO 45 KNOTS.
DAYS TWO THROUGH SEVEN
THURSDAY THROUGH TUESDAY.
THURSDAY MORNING...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
SATURDAY...
LIMITED THUNDERSTORM RISK.
SUNDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
LIMITED THUNDERSTORM RISK.
MONDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
TUESDAY...
LIMITED THUNDERSTORM RISK.
RATZER
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