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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
456 AM CDT Thu Jun 29 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
301000-
Winnebago-Boone-McHenry-Lake Illinois-Ogle-Lee-De Kalb-Kane-
DuPage-Cook-La Salle-Kendall-Grundy-Will-Kankakee-Livingston-
Iroquois-Ford-Lake Indiana-Porter-Newton-Jasper-Benton-
456 AM CDT Thu Jun 29 2017 /556 AM EDT Thu Jun 29 2017/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...Today and Tonight.

WEATHER HAZARDS EXPECTED:
  Elevated Thunderstorm Risk...with an associated:
      Limited Tornado Risk.
      Elevated Hail Risk...up to half dollar size.
      Elevated Thunderstorm Wind Damage Risk...up to 70 MPH.
  Elevated Flooding Risk.

DISCUSSION:

Potentially widespread thunderstorms could form this evening and
spread across much of the outlook area through the mid to late
evening. Scattered severe thunderstorms capable of producing
damaging winds and large hail are possible, especially in northern
and central Illinois. The tornado risk appears to be limited, but
a very isolated tornado cannot be ruled out in portions of
northern and central Illinois. In addition, the most intense
thunderstorms will produce torrential downpours, with at least
localized flooding possible.

In addition...flooding is expected along portions of the Kishwaukee River.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday...
  Limited Severe Thunderstorm Risk.
Saturday through Wednesday...
  Limited Thunderstorm Risk.

DISCUSSION:

Isolated strong to severe thunderstorms are possible on Friday across
the outlook area.

.SPOTTER INFORMATION STATEMENT...

Spotters will likely be needed late this afternoon through this
evening.

GENERAL STORM MOTION OF THE DAY:

Toward the east at around 30 to 35 mph.

&&

$$



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