Thursday, May 3, 2018

Hazardous Weather Outlook for McHenry Co., IL

<pre>FLUS43 KLOT 032027
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
327 PM CDT Thu May 3 2018


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-
327 PM CDT Thu May 3 2018 /427 PM EDT Thu May 3 2018/

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:
Limited Hail Risk...up to half dollar size.
Limited Thunderstorm Wind Damage Risk...up to 65 MPH.
Limited Tornado Risk far west.
Limited Flooding Risk.
Elevated Fog Risk.

DISCUSSION:

Scattered thunderstorms will occur this afternoon, and some of
these storms may become severe with primarily a damaging wind and hail
threat. While the tornado threat is not zero with a pseudo cold
front lake breeze boundary, the threat is pretty still low.
Any storms may produce locally heavy rainfall through tonight,
which could lead to ponding of water on roads and localized
flooding.

Some fog will be dense near Lake Michigan through the evening.

Portions of the Fox River near Montgomery will be in
flood.

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

Friday morning...
Limited Thunderstorm Risk.
Limited Fog Risk.
Saturday night into and Sunday...
Limited Thunderstorm Risk.
Wednesday...
Limited Thunderstorm Risk.

DISCUSSION:

Portions of the Fox River near Montgomery will remain in
flood.

A cold front may trigger an isolated thunderstorm or two
late Saturday night and again Sunday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed this afternoon into this evening, though
the severe risk is limited.

GENERAL STORM MOTION OF THE DAY:

Moving east-northeast at 40 MPH...

&&
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