975
FLUS43 KLOT 241648
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1148 AM CDT TUE JUN 24 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-251700-
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-
1148 AM CDT TUE JUN 24 2025 /1248 PM EDT TUE JUN 24 2025/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED...
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 DAMAGING WIND RISK...UP TO 60 MPH.
LIMITED FLOODING RISK.
ELEVATED EXCESSIVE HEAT RISK MAINLY SOUTH OF I-80.
DISCUSSION...
SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING.
IN ADDITION TO FREQUENT LIGHTNING, THE STRONGEST STORMS MAY BE
CAPABLE OF LOCALIZED DAMAGING WINDS AND FLOODING.
AFTERNOON HEAT INDICES OF 100 TO 105 DEGREES ARE EXPECTED AGAIN
TODAY IN AREAS SOUTH OF I-80, THOUGH EXPECT HEAT INDICES TO
APPROACH MOST AREAS AWAY FROM THE NORTHEAST ILLINOIS LAKESHORE.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY.
WEDNESDAY AND THURSDAY...
LIMITED FLOODING RISK.
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.
LIMITED EXCESSIVE HEAT RISK.
FRIDAY...
LIMITED THUNDERSTORM RISK.
LIMITED EXCESSIVE HEAT RISK.
SATURDAY THROUGH MONDAY...
LIMITED THUNDERSTORM RISK.
DISCUSSION...
PERIODIC THUNDERSTORM CHANCES WILL CONTINUE THROUGH EARLY NEXT
WEEK. THE STRONGEST STORMS MAY BE CAPABLE OF PRODUCING DAMAGING
WINDS AND LOCALIZED FLOODING.
SPOTTER INFORMATION STATEMENT
SPOTTERS MAY BE NEEDED LATE THIS AFTERNOON AND EVENING.
GENERAL STORM MOTION OF THE DAY:
MOVING TOWARD THE NORTHEAST AT 30 MPH.
LMZ740>745-251700-
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-
1148 AM CDT TUE JUN 24 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
THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED...
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 THUNDERSTORM WIND GUST RISK...UP TO 45 KNOTS.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY.
WEDNESDAY AND THURSDAY...
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.
FRIDAY THROUGH MONDAY...
LIMITED THUNDERSTORM RISK.
KMD
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