646
FLUS43 KLOT 210209
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
909 PM CDT Mon May 20 2024

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-220215-
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-
909 PM CDT Mon May 20 2024 /1009 PM EDT Mon May 20 2024/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Elevated Thunderstorm Risk.

DISCUSSION...

Scattered thunderstorms will continue through the remainder of the
evening across areas south of the I-80 corridor. A few of these
storms may produce gusty winds and small, non-damaging hail.

Most of the area will remain dry overnight, but a few
thunderstorms may occur after midnight mainly across northern
Illinois.

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

Tuesday...
  Significant Thunderstorm Risk with a:
    Significant Severe Thunderstorm Risk mainly in the evening
  Limited Flooding Risk.
Wednesday...
  Limited Thunderstorm Risk
Friday through Sunday...
  Limited Thunderstorm Risk.

DISCUSSION...

There is a chance for thunderstorms early Tuesday morning, mainly
across northern Illinois northwest of Interstate 55. There is
also a slight chance of thunderstorms area wide Tuesday afternoon
If any storms do occur during the day Tuesday, the threat of
severe weather would be west of the Chicago metro area closer to
the Interstate 39 corridor.

Additional thunderstorms are likely Tuesday evening into Tuesday
night. Some of these storms could become severe, with the
potential for damaging winds and perhaps brief tornadoes. While
there is a threat of severe weather across the entire outlook
area, the severe weather threat appears greatest near and west of
the Interstate 39 corridor.

.SPOTTER INFORMATION STATEMENT...

  Spotters may be needed tomorrow later afternoon and evening.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east at 20 mph.

$$

LMZ740>745-220215-
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-
909 PM CDT Mon May 20 2024

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...

  Elevated Thunderstorm Risk.

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

Tuesday Late Afternoon and Tuesday Night...
  Hazardous conditions for small craft are likely
  Significant Thunderstorm Risk with an:
    Elevated Severe Thunderstorm Risk.
Wednesday...
  Limited Thunderstorm Risk.
Friday through Sunday...
  Limited Thunderstorm Risk.

$$

Doom

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