Tuesday, June 20, 2017

Hazardous Weather Outlook for McHenry Co., IL

FLUS43 KLOT 202020
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
320 PM CDT Tue Jun 20 2017


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-
320 PM CDT Tue Jun 20 2017 /420 PM EDT Tue Jun 20 2017/

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

.DAY ONE...Tonight.

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

DISCUSSION:

Thunderstorms are ongoing this afternoon across northern Illinois
into northwest Indiana, roughly along a line from Dixon Illinois,
through Bolingbrook, Illinois to Valparaiso, Indiana. The area of
thunderstorms will sag slowly to the south, reaching the I-80
corridor in northern Illinois and the Kankakee River in
northwestern Indiana by early evening. The area of thunderstorms
should diminish in coverage this evening, but there is a chance
for some isolated thunderstorms through the night. These
thunderstorms will have the potential to produce large hail and
strong, damaging winds.

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

Wednesday...
Limited Severe Thunderstorm Risk.
Thursday...
Elevated Flooding Risk.
Elevated Severe Thunderstorm Risk.
Friday and Saturday...
Limited Thunderstorm Risk.
Monday...
Limited Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed through early this evening.

GENERAL STORM MOTION OF THE DAY:

Southeast at around 40 mph.

&&



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