Hazardous Weather Outlook
Issued by NWS Chicago, IL

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FLUS43 KLOT 141938
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
238 PM CDT Mon Jul 14 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-151945-
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-
238 PM CDT Mon Jul 14 2025 /338 PM EDT Mon Jul 14 2025/

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

.DAY ONE...Tonight.

  No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday...
  Limited Thunderstorm Risk.
Wednesday into Thursday...
  Elevated Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
     Level 1 of 5 Flash Flooding Risk.
  Limited Excessive Heat Risk Wednesday afternoon.
Saturday and Sunday...
  Limited Thunderstorm Risk.

DISCUSSION...

Isolated thunderstorms may develop Tuesday afternoon south of
I-80.

A few rounds of strong to severe storms may move through the area
Wednesday and Thursday. The main threats with the strongest storms
would be damaging winds and flash flooding.

Away from any thunderstorms, peak afternoon heat indices on
Wednesday could top out around 100 degrees in some areas.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

LMZ740>745-151945-
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-
238 PM CDT Mon Jul 14 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.

  No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Wednesday...
  Elevated Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
Saturday and Sunday...
  Limited Thunderstorm Risk.

$$

Borchardt

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