716
FLUS43 KLOT 250920
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO IL
ISSUED BY NATIONAL WEATHER SERVICE LINCOLN IL
420 AM CDT FRI APR 25 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-261100-
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-
420 AM CDT FRI APR 25 2025 /520 AM EDT FRI APR 25 2025/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS,
NORTHEAST ILLINOIS, AND NORTHWEST INDIANA.
DAY ONE
TODAY AND TONIGHT.
ISOLATED THUNDERSTORMS ARE EXPECTED TODAY, EXCEPT CLOSE TO THE
WISCONSIN BORDER. SEVERE WEATHER IS NOT LIKELY.
DAYS TWO THROUGH SEVEN
SATURDAY THROUGH THURSDAY.
A STRONG COLD FRONT WILL BRING THUNDERSTORMS TO THE AREA MONDAY
NIGHT. SOME OF THE STORMS WILL BE STRONG TO SEVERE. THE SEVERE WEATHER
THREAT WILL LINGER INTO TUESDAY IN AREAS ALONG AND EAST OF I-55.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL BE NOT BE NEEDED THROUGH TONIGHT.
LMZ740>745-261100-
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-
420 AM CDT FRI APR 25 2025
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN LAKE
MICHIGAN.
DAY ONE
TODAY AND TONIGHT.
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE EXPECTED BY LATE
AFTERNOON, AS WAVES BUILD TO 7 TO 10 FEET BY TONIGHT AROUND THE
SOUTH EDGE OF THE LAKE.
DAYS TWO THROUGH SEVEN
SATURDAY THROUGH THURSDAY.
HAZARDOUS CONDITIONS FOR SMALL CRAFT WILL CONTINUE THROUGH
SATURDAY AFTERNOON.
A STRONG COLD FRONT WILL BRING THUNDERSTORMS MONDAY NIGHT. SOME
OF THE STORMS WILL BE STRONG TO SEVERE. A FEW STORMS MAY LINGER
INTO TUESDAY.
GEELHART
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