Tuesday, June 13, 2017

Hazardous Weather Outlook for McHenry Co., IL

FLUS43 KLOT 130924
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
424 AM CDT Tue Jun 13 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-
424 AM CDT Tue Jun 13 2017 /524 AM EDT Tue Jun 13 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 Thunderstorm Wind Damage Risk...up to 60 MPH.
Limited Hail Risk...up to nickel size.
Limited Excessive Heat Risk.

DISCUSSION:

Continued early season heat and more humid conditions will be
in place today with heat index readings near 100.

While a storm or two is possible across far northern Illinois
this morning, scattered storms are mainly expected this
afternoon and early evening. The best chances are east of I-39.
Individual storms are unlikely to persist long enough to bring
much of a severe weather threat, though a few storms could
provide brief gusty winds to near severe limits, mainly small
hail, and localized ponding on urban roads.

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

Wednesday...
Elevated Severe Thunderstorm Risk.
Limited Flooding Risk.
Limited Excessive Heat Risk.
Thursday through Sunday...
Limited Thunderstorm Risk.

DISCUSSION:

Early season hot and humid air will continue Wednesday with
afternoon heat index readings likely to be near 100 again in some
locations.

Organized storms are possible Wednesday afternoon and evening,
some of which could bring a severe weather threat. The risks
if storms do reach severe limits appear to be gusty winds and
possibly large hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely not be needed through tonight.

GENERAL STORM MOTION OF THE DAY:

Moving to the east at less than 10 mph.

&&



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