616
FLUS43 KLOT 040144
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
844 PM CDT Thu Jul 3 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-050000-
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-
844 PM CDT Thu Jul 3 2025 /944 PM EDT Thu Jul 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 late tonight, mainly north of I-90.

DISCUSSION...

Storms are possible across far northern IL late tonight, mainly
north of Interstate 90.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday Morning...
  Limited Thunderstorm Risk.
Friday Afternoon through Saturday...
  Limited Excessive Heat Risk.
Saturday Night...
  Limited Thunderstorm Risk.
Sunday...
  Limited Thunderstorm Risk.
  Limited Flooding Risk.
Tuesday and Wednesday...
  Limited Thunderstorm Risk.

DISCUSSION...

Heat indices of 95 to 100 degrees are expected Friday and
Saturday. Shower and thunderstorm chances will increase Saturday
night and Sunday.

.SPOTTER INFORMATION STATEMENT...

  Spotters activation is unlikely through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the southeast around 20 mph.

$$

LMZ740>745-050000-
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-
844 PM CDT Thu Jul 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...

  Limited Thunderstorm Risk overnight for Illinois nearshore.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday morning...
  Limited Thunderstorm Risk.
Saturday Night and Sunday...
  Limited Thunderstorm Risk.
Tuesday and Wednesday...
  Limited Thunderstorm Risk.

$$

DK

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