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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
417 AM CDT Sun Jul 23 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
240930-
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-
417 AM CDT Sun Jul 23 2017 /517 AM EDT Sun Jul 23 2017/

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

.DAY ONE...Today and Tonight.

WEATHER HAZARDS EXPECTED:
  Limited Thunderstorm Risk...with an associated:
      Limited Hail Risk...up to quarter size.
      Elevated Thunderstorm Wind Damage Risk...up to 60 MPH.

DISCUSSION:

Scattered thunderstorms are expected to develop toward late
morning into the afternoon. A few of these could be strong to
severe, especially in areas south of I-80 where afternoon heating
ahead of a frontal zone will enhance instability.

In addition, flooding will continue along portions of the
Des Plaines, Fox, Kishwaukee, Rock, Illinois, and Pecatonica
rivers.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday...
 High Swim Risk.
Wednesday...
 Elevated Thunderstorm Risk.
 Limited Excessive Heat Risk.
Thursday...
 Elevated Thunderstorm Risk.

DISCUSSION:

With cool north winds, Monday and Tuesday will be quiet except for
the increased swim risk along the southern shore of the lake.
Warmer and less settled weather returns for Wednesday and
Thursday.

In addition, flooding will continue along portions of the
Des Plaines, Fox, Kishwaukee, Rock, Illinois, and Pecatonica
rivers.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed today, especially in southern portions of
the forecast area.

GENERAL STORM MOTION OF THE DAY:

Moving southeast around 30-35 mph.

&&

$$



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