537
FLUS43 KLOT 010925
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
425 AM CDT FRI MAY 1 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-020930-
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-
425 AM CDT FRI MAY 1 2026 /525 AM EDT FRI MAY 1 2026/
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 FROST RISK.
DISCUSSION...
WIDESPREAD FROST DEVELOPMENT IS LIKELY TONIGHT AWAY FROM LAKE
MICHIGAN, THE CITY OF CHICAGO, AND SOME AREAS SOUTH AND SOUTHWEST
OF THE CHICAGO METRO WHERE CLOUDS DON'T CLEAR OUT.
DAYS TWO THROUGH SEVEN
SATURDAY THROUGH THURSDAY.
SATURDAY MORNING...
ELEVATED FROST RISK.
SUNDAY AND MONDAY...
LIMITED THUNDERSTORM RISK.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
LMZ740>745-020930-
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-
425 AM CDT FRI MAY 1 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
TODAY AND TONIGHT.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
DAYS TWO THROUGH SEVEN
SATURDAY THROUGH THURSDAY.
SUNDAY...
LIMITED THUNDERSTORM RISK.
MONDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
LIMITED THUNDERSTORM RISK.
OGOREK
VISIT US AT WWW.WEATHER.GOV/CHICAGO
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