Hazardous Weather Outlook
Issued by NWS Chicago, IL

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083
FLUS43 KLOT 020835
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
335 AM CDT Wed Jul 2 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-030845-
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-
335 AM CDT Wed Jul 2 2025 /435 AM EDT Wed Jul 2 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...

  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Damaging Wind Risk...up to 50 to 60 mph.

DISCUSSION...

There is a small chance for a thunderstorm or two late this
afternoon and evening, mainly north of I-80. If storms develop,
the main threat will be from gusty winds.

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

Thursday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
Friday and Saturday...
  Limited Excessive Heat Risk.
Saturday Evening through Sunday Night...
  Limited Thunderstorm Risk.

DISCUSSION...

Isolated gusty thunderstorms can`t be ruled out again on
Thursday afternoon and evening.

Increasing heat and humidity is expected for the holiday weekend
with periodic thunderstorm chances returning late Saturday into early
next week.

.SPOTTER INFORMATION STATEMENT...

  Spotters activation is unlikely through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the southeast at 30-40 mph.

$$

LMZ740>745-030845-
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-
335 AM CDT Wed Jul 2 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...

  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Thunderstorm Wind Gust Risk...up to 40 to 50 knots
     mainly far north IL nearshore.

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

Thursday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
Saturday through Monday...
  Limited Thunderstorm Risk.

$$

Carlaw/Castro

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