Friday, April 13, 2018

Hazardous Weather Outlook for McHenry Co., IL

<pre>FLUS43 KLOT 130940
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
440 AM CDT Fri Apr 13 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-
440 AM CDT Fri Apr 13 2018 /540 AM EDT Fri Apr 13 2018/

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 nickel size.
Limited Flooding Risk tonight.
Limited Non Thunderstorm Wind Risk tonight.

DISCUSSION:

While there is a chance of a few thunderstorms over the area this
afternoon, more widespread showers and thunderstorms are expected
tonight. The main threat from these storms will be moderate to
briefly heavy rainfall, and this could produce some minor
localized flooding. Some of the stronger storms tonight could
also produce small hail.


.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday...
Limited Thunderstorm Risk.
Elevated Non Thunderstorm Wind Risk.
Limited Lakeshore flooding Risk.
Sunday...
Elevated Snow and Sleet Risk.
Wednesday...
Limited Non Thunderstorm Wind Risk.

DISCUSSION:

The chances for thunderstorms will continue on Saturday, and some
of these could be strong across central Illinois. Colder air will
then return to the area by late Sunday and this may support a
period of snow and sleet before the precipitation ends.

Strong northeasterly winds, with gusts of 40 to 45 mph are
also expected over northern IL on Saturday.

Large waves over southern Lake Michigan on Saturday could produce
some minor lake shore flooding over portions of northeastern
Illinois north of Chicago.


.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

Moving northeast to 45 MPH.

&&
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