942
FLUS43 KLOT 220822
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
322 AM CDT Tue Apr 22 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-230830-
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-
322 AM CDT Tue Apr 22 2025 /422 AM EDT Tue Apr 22 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...

  Elevated Thunderstorm Risk...with an associated:
     Level 1 of 5 Damaging Wind Risk...up to 60 mph.
     Level 1 of 5 Large Hail Risk...up to 1 inch in diameter.

DISCUSSION...

There is a slight chance of a thunderstorm this morning, mainly
near the I-39 corridor. If any thunderstorms occur this morning,
no severe weather is expected. Scattered thunderstorms are
possible area wide this afternoon and tonight. One or two of any
of the storms that form this afternoon or tonight could become
severe, posing a threat of both damaging winds and large hail.
Current indications suggest any severe threat this afternoon and
tonight would remain quite isolated in nature.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday through Friday...
  Limited Thunderstorm Risk.
Monday...
  Limited Thunderstorm Risk.

DISCUSSION...

While there will be many dry hour, there will also be periodic
chances for showers and thunderstorms Wednesday through Friday.

.SPOTTER INFORMATION STATEMENT...

Due to the isolated nature of any severe weather, spotter
activation is not anticipated. However, spotters should relay any
reports of hail or damaging winds.

GENERAL STORM MOTION OF THE DAY:

 Moving toward the east at 30 mph.

$$

LMZ740>745-230830-
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-
322 AM CDT Tue Apr 22 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 50 knots.
    Level 1 of 5 Hail Risk...up to 1 inch in diameter.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday...
  Limited Thunderstorm Risk.
Friday...
  Hazardous conditions for small craft are likely.
  Limited Thunderstorm Risk.
Saturday...
  Hazardous conditions for small craft are likely.

$$

- Izzi

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