FLUS43 KLOT 021722 AAA

HWOLOT



Hazardous Weather Outlook...UPDATED

National Weather Service Chicago/Romeoville IL

1222 PM CDT Wed Jul 2 2025



ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-

010-011-019-031730-

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-

1222 PM CDT Wed Jul 2 2025 /122 PM EDT Wed Jul 2 2025/



This Hazardous Weather Outlook is for portions of north central

Illinois...northeast Illinois and northwest Indiana.



.DAY ONE...This Afternoon and Tonight.



Weather hazards expected...



  Limited Thunderstorm Risk.



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...



  Spotter activation is unlikely through tonight.



GENERAL STORM MOTION OF THE DAY:



  Moving toward the southeast around 30 to 40 mph.



$$



LMZ740>745-031730-

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-

1222 PM 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...This Afternoon and Tonight.



Weather hazards expected...



  Limited Thunderstorm Risk.



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



Thursday...

  Limited Thunderstorm Risk...with an associated:

     Level 1 of 5 Severe Thunderstorm Risk.

Saturday Evening through Sunday Night...

  Limited Thunderstorm Risk.



$$



Petr



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