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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
339 PM CDT Tue Sep 18 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
192045-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-
Lake IN-Porter-Newton-Jasper-Benton-
339 PM CDT Tue Sep 18 2018 /439 PM EDT Tue Sep 18 2018/

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.

DISCUSSION...

  Scattered thunderstorms are possible through this evening,
  mainly along and west of the I-39 corridor.

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

Wednesday...
  Elevated Thunderstorm Risk.
Thursday...
  Elevated Severe Thunderstorm Risk.
  Limited Excessive Heat Risk.
Friday and Saturday...
  High Swim Risk
Monday...
  Limited Thunderstorm Risk.

DISCUSSION:

There will be periodic chances of thunderstorms Wednesday into
early Thursday, and again Thursday night. A few storms could
be strong to severe Thursday night, with damaging winds expected
to be the primary severe weather threat. Locally heavy rainfall
is also possible with storms Wednesday and Wednesday night,
especially over far northern Illinois.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward southeast at 20 to 30 mph.

$$



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