184
FLUS43 KLOT 032017
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
317 PM CDT Wed Sep 3 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-042030-
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-
317 PM CDT Wed Sep 3 2025 /417 PM EDT Wed Sep 3 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.
  High Swim Risk Indiana Lake Michigan Beaches.

DISCUSSION...

A few non-severe thunderstorms are possible through this evening.

Dangerous swimming conditions will develop this evening at
Indiana Lake Michigan beaches and continue on Thursday.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday...
  High Swim Risk Indiana Lake Michigan Beaches.

Thursday Night into Friday...
  Limited Non-Thunderstorm Wind Risk.
  High Swim Risk Porter County Lake Michigan Beaches.

DISCUSSION...

Expect dangerous conditions on the lake through Friday, primarily
at Indiana Lake Michigan beaches.

Winds may gust up to 40 mph from the southwest to west late
Thursday night into Friday morning.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east at around 35 mph.

$$

LMZ740>745-042030-
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-
317 PM CDT Wed Sep 3 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...

  Hazardous conditions for small craft.
  Limited Thunderstorm Risk.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday...
  Hazardous conditions for small craft east of Gary Indiana.

Thursday Night into Friday Morning...
  Gale force winds possible and hazardous waves likely.

$$

Castro

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