463
FLUS43 KLOT 170046
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
746 PM CDT TUE JUN 16 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-180100-
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-
746 PM CDT TUE JUN 16 2026 /846 PM EDT TUE JUN 16 2026/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
TONIGHT.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
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
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
LMZ740>745-180100-
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-
746 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
TONIGHT.
WEATHER HAZARDS EXPECTED...
HAZARDOUS CONDITIONS FOR SMALL CRAFT.
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.
KJB
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