917
FLUS43 KLOT 060935
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
435 AM CDT Sun Jul 6 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-070945-
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-
435 AM CDT Sun Jul 6 2025 /535 AM EDT Sun Jul 6 2025/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Elevated Thunderstorm Risk.
  Limited Flooding Risk.
  High Swim Risk Lake Michigan Beaches.

DISCUSSION...

Scattered thunderstorms are expected through this evening. The
strongest storms will be capable of producing torrential rain
and localized flooding. Localized gusty winds are also possible.

Northerly winds will lead to high waves and dangerous swimming
conditions at Lake Michigan beaches this afternoon and tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday...
  High Swim Risk Lake Michigan Beaches.
Tuesday and Wednesday...
  Limited Thunderstorm Risk at times.

DISCUSSION...

High waves will lead to dangerous swimming conditions at Lake
Michigan beaches Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

Moving toward the southeast at 20 to 30 mph.

$$

LMZ740>745-070945-
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-
435 AM CDT Sun Jul 6 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...Today and Tonight.

Weather hazards expected...

  Hazardous conditions for small craft.
  Elevated Thunderstorm Risk.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday...
  Hazardous conditions for small craft are likely.
Tuesday and Wednesday...
  Limited Thunderstorm Risk.

$$

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