255
FLUS43 KLOT 300848
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
348 AM CDT SUN MAR 30 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-310900-
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-
348 AM CDT SUN MAR 30 2025 /448 AM EDT SUN MAR 30 2025/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
TODAY AND TONIGHT.
WEATHER HAZARDS EXPECTED...
SIGNIFICANT THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 2 OF 5 TORNADO RISK.
LEVEL 3 OF 5 DAMAGING WIND RISK...UP TO 75 MPH.
LEVEL 3 OF 5 LARGE HAIL RISK...UP TO 2 INCH DIAMETER.
DISCUSSION...
SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS THE ENTIRE AREA FROM
LATE THIS MORNING THROUGH LATE THIS AFTERNOON. ALL MODES OF
SEVERE WEATHER ARE POSSIBLE, INCLUDING LARGE HAIL, DAMAGING
WINDS AND TORNADOES.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY.
TUESDAY NIGHT AND WEDNESDAY...
ELEVATED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 2 OF 5 SEVERE THUNDERSTORM RISK.
LIMITED FLOODING RISK.
DISCUSSION...
PERIODS OF THUNDERSTORMS ARE POSSIBLE LATE TUESDAY NIGHT INTO
WEDNESDAY ACROSS THE ENTIRE AREA. SOME OF THESE THUNDERSTORMS
MAY BECOME SEVERE. HEAVY RAIN AND LOCALIZED FLOODING WILL ALSO
BE POSSIBLE.
SPOTTER INFORMATION STATEMENT
SPOTTERS WILL LIKELY BE NEEDED THROUGH LATE THIS AFTERNOON.
GENERAL STORM MOTION OF THE DAY:
MOVING TOWARD THE NORTHEAST AT 50 TO 60 MPH.
LMZ740>745-310900-
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-
348 AM CDT SUN MAR 30 2025
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
TODAY AND TONIGHT.
WEATHER HAZARDS EXPECTED...
HAZARDOUS CONDITIONS FOR SMALL CRAFT.
SIGNIFICANT THUNDERSTORM RISK...WITH AN ASSOCIATED:
THUNDERSTORM WATERSPOUT RISK
LEVEL 3 OF 5 THUNDERSTORM WIND GUST RISK...UP TO 50 KT.
LEVEL 2 OF 5 HAIL RISK...UP TO 2 INCH DIAMETER.
LIMITED FOG RISK.
SEVERE THUNDERSTORMS ARE EXPECTED LATE THIS MORNING THROUGH
LATE THIS AFTERNOON ACROSS SOUTHERN LAKE MICHIGAN.
AREAS OF FOG ARE EXPECTED ALONG THE ILLINOIS SHORE THIS
MORNING.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY.
MONDAY AND TUESDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
WEDNESDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
ELEVATED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 2 OF 5 SEVERE THUNDERSTORM RISK.
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