703
FLUS43 KLOT 161924
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
224 PM CDT TUE JUN 16 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-171930-
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-
224 PM CDT TUE JUN 16 2026 /324 PM EDT TUE JUN 16 2026/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED...
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 DAMAGING WIND RISK...UP TO 60 MPH.
LEVEL 1 OF 5 LARGE HAIL RISK...UP TO HALF DOLLAR SIZE.
DISCUSSION...
THERE IS A SLIGHT CHANCE FOR A COUPLE OF THUNDERSTORMS TO DEVELOP
ALONG A COLD FRONT THROUGH LATE AFTERNOON EAST OF I-57 BUT
PRIMARILY OVER NORTHWESTERN INDIANA. IF STORMS WERE TO OCCUR, THEY
COULD POSSIBLY FEATURE SOME HAIL AND GUSTY WINDS.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY.
WEDNESDAY...
SIGNIFICANT THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 4 OF 5 SEVERE THUNDERSTORM RISK.
ELEVATED FLOODING RISK.
HIGH SWIM RISK ILLINOIS LAKE MICHIGAN BEACHES.
THURSDAY MORNING...
HIGH SWIM RISK INDIANA LAKE MICHIGAN BEACHES.
SATURDAY AND SUNDAY...
LIMITED THUNDERSTORM RISK.
DISCUSSION...
A COUPLE OF WAVES OF SHOWERS AND THUNDERSTORMS CAN BE EXPECTED
DURING THE DAY TOMORROW WITH SEVERE THUNDERSTORMS POSSIBLE DURING
THE MORNING AND LIKELY IN THE AFTERNOON. THESE STORMS WILL BE
CAPABLE OF PRODUCING ALL SEVERE HAZARDS INCLUDING LARGE HAIL,
DESTRUCTIVE WIND GUSTS, AND TORNADOES, SOME STRONG AND LONG-
TRACKED. PERIODS OF HEAVY TO TORRENTIAL RAINFALL MAY ALSO
LEAD TO INSTANCES OF FLASH FLOODING.
SPOTTER INFORMATION STATEMENT
SPOTTERS MAY BE NEEDED LATE THIS AFTERNOON EAST OF I-57, AS WELL
AS WEDNESDAY AFTERNOON.
GENERAL STORM MOTION OF THE DAY:
MOVING TOWARD THE EAST AT 35 MPH.
LMZ740>745-171930-
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-
224 PM CDT TUE JUN 16 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
THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED...
HAZARDOUS CONDITIONS FOR SMALL CRAFT.
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
THUNDERSTORM WATERSPOUT RISK
LEVEL 1 OF 5 THUNDERSTORM WIND GUST RISK...UP TO 50 KNOTS.
LEVEL 1 OF 5 HAIL RISK...UP TO HALF DOLLAR SIZE.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY.
WEDNESDAY...
SIGNIFICANT THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 3 OF 5 SEVERE THUNDERSTORM RISK.
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
THURSDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
LIMITED THUNDERSTORM RISK.
SATURDAY THROUGH MONDAY...
LIMITED THUNDERSTORM RISK.
DOOM
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