799
FLUS43 KLOT 300843
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
343 AM CDT MON JUN 30 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-010845-
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-
343 AM CDT MON JUN 30 2025 /443 AM EDT MON JUN 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...
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 DAMAGING WIND RISK...UP TO 60 MPH.
LIMITED FLOODING RISK.
DISCUSSION...
ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE AGAIN TODAY.
INITIALLY, THE FOCUS MAY BE NEAR THE LAKE LATE THIS MORNING AND
INTO THE EARLY AFTERNOON, EXPANDING AREA-WIDE DURING THE MID
AFTERNOON INTO THE EVENING. THE STRONGEST STORMS WILL BE CAPABLE
OF PRODUCING LOCALIZED STRONG TO DAMAGING DOWNBURST WINDS AND
BRIEF HEAVY RAINFALL.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
THURSDAY...
LIMITED THUNDERSTORM RISK.
FRIDAY AND SATURDAY...
LIMITED THUNDERSTORM RISK.
LIMITED EXCESSIVE HEAT RISK.
SUNDAY...
LIMITED THUNDERSTORM RISK.
SPOTTER INFORMATION STATEMENT
SPOTTERS MAY BE NEEDED THIS AFTERNOON AND EVENING.
GENERAL STORM MOTION OF THE DAY:
MOVING TOWARD THE EAST AROUND 20 MPH THIS MORNING, THEN 30 TO
35 MPH THIS AFTERNOON AND EVENING.
LMZ740>745-010845-
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-
343 AM CDT MON JUN 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...
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 THUNDERSTORM WIND GUST RISK...UP TO 50 KNOTS.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
FRIDAY THROUGH SUNDAY...
LIMITED THUNDERSTORM RISK.
CARLAW
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