313
FLUS43 KLOT 251937
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
237 PM CDT WED MAR 25 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-261800-
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-
237 PM CDT WED MAR 25 2026 /337 PM EDT WED MAR 25 2026/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
DAY ONE
TONIGHT.
WEATHER HAZARDS EXPECTED...
ELEVATED FIRE WEATHER RISK THIS AFTERNOON.
LIMITED THUNDERSTORM RISK TONIGHT MAINLY SOUTH OF I-80.
DISCUSSION...
GUSTY SOUTHWEST WINDS AND DRY CONDITIONS WILL LEAD TO A
HEIGHTENED GRASS AND BRUSH FIRE DANGER THIS AFTERNOON.
SCATTERED THUNDERSTORMS ARE EXPECTED TONIGHT MAINLY WELL SOUTH OF
I-80. THE STRONGEST STORMS WILL PRODUCE BRIEF HEAVY DOWNPOURS
AND HAIL, POSSIBLY UP TO AROUND 1" IN DIAMETER.
DAYS TWO THROUGH SEVEN
THURSDAY THROUGH TUESDAY.
THURSDAY...
SIGNIFICANT THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 3 OF 5 SEVERE THUNDERSTORM RISK.
LIMITED FLOODING RISK.
SUNDAY...
ELEVATED FIRE WEATHER RISK.
MONDAY AND TUESDAY...
LIMITED THUNDERSTORM RISK.
DISCUSSION...
THUNDERSTORMS WILL LIKELY DEVELOP THURSDAY AFTERNOON AND WILL
LINGER THROUGH THE EVENING HOURS THURSDAY, ESPECIALLY WELL SOUTH
OF I-80. CONDITIONS APPEAR FAVORABLE FOR SEVERE THUNDERSTORMS
CAPABLE OF PRODUCING HAIL POTENTIALLY LARGER THAN 2 INCHES IN
DIAMETER. IN ADDITION, THERE WILL BE SOME THREAT FOR LOCALLY
DAMAGING WINDS IN EXCESS OF 60 MPH. WHILE A LOWER THREAT, THERE IS
A POTENTIAL FOR A FEW TORNADOES MAINLY NEAR AND SOUTH OF A
STREATOR TO RENSSELAER LINE.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT, BUT
WILL BE NEEDED THURSDAY AFTERNOON AND EVENING.
GENERAL STORM MOTION OF THE DAY:
MOVING TOWARD THE EAST SOUTHEAST AT 30 MPH.
LMZ740>745-261800-
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-
237 PM CDT WED MAR 25 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
TONIGHT.
WEATHER HAZARDS EXPECTED...
HAZARDOUS CONDITIONS FOR SMALL CRAFT THIS AFTERNOON.
LIMITED THUNDERSTORM RISK TONIGHT.
DAYS TWO THROUGH SEVEN
THURSDAY THROUGH TUESDAY.
THURSDAY...
GALE FORCE WINDS AND VERY HAZARDOUS WAVES LATE IN THE DAY.
SIGNIFICANT THUNDERSTORM RISK...WITH AN ASSOCIATED:
LEVEL 3 OF 5 SEVERE THUNDERSTORM RISK.
LIMITED FOG RISK.
FRIDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
MONDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
LIMITED THUNDERSTORM RISK.
TUESDAY...
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY.
CARLAW
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