621
FLUS43 KLOT 280850
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
350 AM CDT SUN JUN 28 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-290900-
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-
350 AM CDT SUN JUN 28 2026 /450 AM EDT SUN JUN 28 2026/
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.
DISCUSSION...
A DECAYING CLUSTER OF THUNDERSTORMS MAY PRODUCE LOCALLY STRONG
WIND GUSTS, PRIMARILY WEST OF THE FOX RIVER VALLEY, MID TO LATE
AFTERNOON.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY.
MONDAY THROUGH WEDNESDAY...
ELEVATED EXCESSIVE HEAT RISK.
THURSDAY...
ELEVATED EXCESSIVE HEAT RISK.
LIMITED THUNDERSTORM RISK.
FRIDAY AND SATURDAY...
LIMITED THUNDERSTORM RISK.
DISCUSSION...
DANGEROUS HEAT WITH AFTERNOON HEAT INDEX VALUES OVER 100 DEGREES
IS EXPECTED MONDAY THROUGH AT LEAST WEDNESDAY. DEPENDING ON
POTENTIAL THUNDERSTORM COVERAGE LATE IN THE WEEK, THE DANGEROUS
HEAT MAY PERSIST THROUGH FRIDAY.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
GENERAL STORM MOTION OF THE DAY:
MOVING TOWARD THE EAST AT 30 MPH.
LMZ740>745-290900-
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-
350 AM CDT SUN JUN 28 2026
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.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY.
THURSDAY THROUGH SATURDAY...
LIMITED THUNDERSTORM RISK.
KLUBER
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