843
FLUS43 KLOT 210849
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
349 AM CDT MON JUL 21 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-220900-
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-
349 AM CDT MON JUL 21 2025 /449 AM EDT MON JUL 21 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...
HIGH SWIM RISK LAKE MICHIGAN BEACHES ILLINOIS SHORE THIS MORNING.
DISCUSSION...
DANGEROUS SWIMMING CONDITIONS CONTINUE FOR THE ILLINOIS BEACHES OF
LAKE MICHIGAN THIS MORNING.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
WEDNESDAY AND THURSDAY...
SIGNIFICANT EXCESSIVE HEAT RISK.
THURSDAY NIGHT...
LIMITED THUNDERSTORM RISK.
FRIDAY...
LIMITED FLOODING RISK.
LIMITED THUNDERSTORM RISK.
ELEVATED EXCESSIVE HEAT RISK.
SATURDAY...
LIMITED THUNDERSTORM RISK.
LIMITED EXCESSIVE HEAT RISK.
DISCUSSION...
DANGEROUS HEAT AND HUMIDITY WITH HEAT INDEX VALUES UP TO AROUND
110F ARE EXPECTED WEDNESDAY AND THURSDAY.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
LMZ740>745-220900-
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-
349 AM CDT MON JUL 21 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.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
THURSDAY NIGHT THROUGH SATURDAY...
LIMITED THUNDERSTORM RISK.
KLUBER
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