594
FLUS43 KLOT 211805
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
105 PM CDT THU AUG 21 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-221815-
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-
105 PM CDT THU AUG 21 2025 /205 PM EDT THU AUG 21 2025/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED...
LIMITED FOG RISK TONIGHT.
DISCUSSION...
PATCHY DENSE FOG MAY IMPACT TRAVEL WELL OUTSIDE OF CHICAGO LATE
TONIGHT INTO EARLY FRIDAY MORNING.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH WEDNESDAY.
LATE FRIDAY NIGHT AND SATURDAY...
VERY LIMITED THUNDERSTORM RISK.
DISCUSSION...
AN ISOLATED THUNDERSTORM OR TWO IS POSSIBLE AFTER MIDNIGHT FRIDAY
NIGHT ACROSS PORTIONS OF FAR NORTHERN ILLINOIS AND THEN SOUTHEAST
OF I-55 EARLY TO MID SATURDAY AFTERNOON.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
LMZ740>745-221815-
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-
105 PM CDT THU AUG 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
THIS AFTERNOON AND TONIGHT.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH WEDNESDAY.
LATE FRIDAY NIGHT AND SATURDAY...
LIMITED THUNDERSTORM RISK.
YACK
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