677
FLUS43 KLOT 010908
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
408 AM CDT TUE APR 1 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-020915-
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-
408 AM CDT TUE APR 1 2025 /508 AM EDT TUE APR 1 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...
ELEVATED THUNDERSTORM RISK LATE TONIGHT...WITH AN ASSOCIATED:
LEVEL 1 OF 5 LARGE HAIL RISK...UP TO 1 INCH DIAMETER.
DISCUSSION...
SCATTERED THUNDERSTORMS ARE EXPECTED LATE TONIGHT. THE STRONGEST
STORMS WILL BE CAPABLE OF HAIL UP TO 1 INCH IN DIAMETER.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY.
WEDNESDAY...
SIGNIFICANT THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 3 OF 5 SEVERE THUNDERSTORM RISK.
LIMITED TO ELEVATED NON THUNDERSTORM WIND RISK.
LIMITED FLOODING RISK.
FRIDAY...
LIMITED FLOODING RISK.
DISCUSSION...
ADDITIONAL WAVES OF THUNDERSTORMS ARE EXPECTED ON WEDNESDAY, SOME
OF WHICH MAY BE SEVERE WITH DAMAGING WINDS, LARGE HAIL,
TORNADOES, AND LOCALIZED FLOODING.
SPOTTER INFORMATION STATEMENT
SPOTTERS MAY BE NEEDED LATE TONIGHT.
GENERAL STORM MOTION OF THE DAY:
MOVING TOWARD THE NORTHEAST AT 45 MPH.
LMZ740>745-020915-
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-
408 AM CDT TUE APR 1 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...
GALE FORCE WINDS AND HAZARDOUS WAVES.
ELEVATED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 HAIL RISK...UP TO 1 INCH DIAMETER.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY.
WEDNESDAY...
GALE FORCE WINDS AND HAZARDOUS WAVES.
SIGNIFICANT THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 3 OF 5 SEVERE THUNDERSTORM RISK.
SATURDAY THROUGH MONDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
PETR
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