Thursday, June 29, 2017

Hazardous Weather Outlook for McHenry Co., IL

FLUS43 KLOT 292052
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
352 PM CDT Thu Jun 29 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-
352 PM CDT Thu Jun 29 2017 /452 PM EDT Thu Jun 29 2017/

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

.DAY ONE...Tonight.

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

DISCUSSION:

Thunderstorms will continue to develop this afternoon, especially
near and south of the Interstate 80 corridor as a disturbance
approaches the area. Scattered severe thunderstorms capable of
producing damaging winds and large hail are also possible,
especially south of Interstate 80. The most intense thunderstorms
will produce torrential downpours, with at least localized
flooding possible. These storms will gradually shift east of the
area later this evening.

Patchy fog is possible north of Interstate 80 after midnight.

In addition...flooding is expected along portions of the
Kishwaukee and Rock Rivers.

.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.

Flooding will continue along portions of the Kishwaukee and Rock
Rivers.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed through the early evening.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east-northeast at 40 MPH.

&&



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