546
FLUS43 KLOT 220159
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
859 PM CDT SUN JUN 21 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-230200-
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-
859 PM CDT SUN JUN 21 2026 /959 PM EDT SUN JUN 21 2026/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
TONIGHT.
WEATHER HAZARDS EXPECTED...
LIMITED FLOODING RISK.
HIGH SWIM RISK LAKE MICHIGAN BEACHES.
DISCUSSION...
LOCALIZED FLOODING MAY PERSIST THROUGH THE NIGHT AS RAIN
GRADUALLY ENDS, PARTICULARLY ALONG THE INTERSTATE 80 CORRIDOR FROM
THE SOUTHERN CHICAGO METRO THROUGH NORTHWEST INDIANA.
STRONG ONSHORE WINDS WILL CAUSE THE THREAT FOR RIP CURRENTS AT
SOUTHERN LAKE MICHIGAN BEACHES TO INCREASE THROUGH TONIGHT.
DAYS TWO THROUGH SEVEN
SUNDAY THROUGH SATURDAY.
MONDAY...
HIGH SWIM RISK LAKE MICHIGAN BEACHES.
WEDNESDAY THROUGH SATURDAY...
LIMITED THUNDERSTORM RISK.
DISCUSSION...
AN ELEVATED DANGER FOR RIP CURRENTS AT SOUTHERN LAKE MICHIGAN
BEACHES WILL CONTINUE INTO MONDAY.
PERIODIC THUNDERSTORM CHANCES ARE CURRENTLY FORECASTED WEDNESDAY
THROUGH SATURDAY.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
LMZ740>745-230200-
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-
859 PM CDT SUN JUN 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...
HAZARDOUS CONDITIONS FOR SMALL CRAFT.
DAYS TWO THROUGH SEVEN
SUNDAY THROUGH SATURDAY.
MONDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
WEDNESDAY...
LIMITED THUNDERSTORM RISK.
FRIDAY AND SATURDAY...
LIMITED THUNDERSTORM RISK.
KLUBER
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