981
FLUS43 KLOT 291715
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1215 PM CDT Sun Jun 29 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-301715-
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-
1215 PM CDT Sun Jun 29 2025 /115 PM EDT Sun Jun 29 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...with an associated:
     Level 1 of 5 Damaging Wind Risk...up to 50 to 60 mph.
  Limited Excessive Heat Risk.

DISCUSSION...

Isolated thunderstorms will continue to develop through early
evening, particularly near Lake Michigan and south of the Kankakee
River Valley. Isolated to perhaps widely scattered thunderstorms
are then possible in the late evening and overnight. The strongest
thunderstorms through tonight may be capable of producing
localized strong to damaging downburst winds.

Heat indices this afternoon away from the Illinois shore will top
out around 100 degrees.

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

Monday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
Saturday...
  Limited Thunderstorm Risk.
  Limited Excessive Heat Risk.

.SPOTTER INFORMATION STATEMENT...

 Spotter activation is unlikely through tonight, but any reports
 are appreciated.

GENERAL STORM MOTION OF THE DAY:

 Moving toward the northeast at 10 mph.

$$

LMZ740>745-301715-
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-
1215 PM CDT Sun Jun 29 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.

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

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

$$

Kluber

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