260
FLUS43 KLOT 160236
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
936 PM CDT FRI AUG 15 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-170245-
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-
936 PM CDT FRI AUG 15 2025 /1036 PM EDT FRI AUG 15 2025/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
TONIGHT.
WEATHER HAZARDS EXPECTED...
LIMITED THUNDERSTORM RISK.
LIMITED FLOODING RISK.
DISCUSSION...
SCATTERED THUNDERSTORMS ARE POSSIBLE THE REMAINDER OF TONIGHT.
WHILE THE THREAT OF WIDESPREAD SEVERE WEATHER IS LOW, THE
STRONGEST STORMS COULD PRODUCE TORRENTIAL DOWNPOURS.
DAYS TWO THROUGH SEVEN
SATURDAY THROUGH THURSDAY.
SATURDAY AND SUNDAY...
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.
LIMITED FLOODING RISK.
LIMITED TO ELEVATED EXCESSIVE HEAT RISK.
MONDAY AND TUESDAY...
LIMITED THUNDERSTORM RISK.
LIMITED FLOODING RISK.
LIMITED EXCESSIVE HEAT RISK.
DISCUSSION...
THERE WILL BE PERIODIC CHANCES OF THUNDERSTORMS SATURDAY THROUGH
TUESDAY WITH A LIMITED RISK FOR SEVERE THUNDERSTORMS AND HEAVY
RAINFALL INDUCED LOCALIZED FLASH FLOODING.
AFTERNOON HEAT INDICES ABOVE 100 DEGREES ARE POSSIBLE AS WELL
SATURDAY THROUGH TUESDAY NEAR AND SOUTH OF I-80.
SPOTTER INFORMATION STATEMENT
SPOTTERS ACTIVATION IS NOT ANTICIPATED.
GENERAL STORM MOTION OF THE DAY:
MOVING TOWARD THE EAST AT 25 TO 30 MPH.
LMZ740>745-170245-
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-
936 PM CDT FRI AUG 15 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
TONIGHT.
WEATHER HAZARDS EXPECTED...
LIMITED THUNDERSTORM RISK.
DAYS TWO THROUGH SEVEN
SATURDAY THROUGH THURSDAY.
SATURDAY AND SUNDAY...
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.
MONDAY AND TUESDAY...
LIMITED THUNDERSTORM RISK.
- IZZI
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