434
FLUS43 KLOT 190833
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
333 AM CDT MON MAY 19 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-200845-
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-
333 AM CDT MON MAY 19 2025 /433 AM EDT MON MAY 19 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 MAINLY LATE TONIGHT.
LIMITED FLOODING RISK LATE TONIGHT.
DISCUSSION...
AN AREA OF RAIN AND SOME EMBEDDED THUNDERSTORMS WILL DEVELOP LATE
TONIGHT. SEVERE WEATHER IS NOT EXPECTED, BUT SOME STORMS COULD
PRODUCE LOCALLY HEAVY RAINFALL.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
TUESDAY...
LIMITED FLOODING RISK.
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK SOUTH OF A LA SALLE TO
RENSSELAER LINE.
DISCUSSION...
RAIN AND A FEW THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL WILL
CONTINUE ON TUESDAY.
A FEW STRONG TO SEVERE STORMS ARE POSSIBLE TUESDAY AFTERNOON,
MAINLY SOUTH OF A LA SALLE TO RENSSELAER LINE, ALTHOUGH THERE IS
UNCERTAINTY REGARDING STORM DEVELOPMENT AT THIS TIME.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
GENERAL STORM MOTION TONIGHT:
MOVING TOWARD THE NORTH AROUND 35 MPH.
LMZ740>745-200845-
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-
333 AM CDT MON MAY 19 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...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ILLINOIS NEARSHORE.
LIMITED THUNDERSTORM RISK LATE TONIGHT.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
TUESDAY THROUGH THURSDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
TUESDAY...
LIMITED THUNDERSTORM RISK.
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