Wednesday, September 19, 2018

Hazardous Weather Outlook for McHenry Co., IL

<pre>FLUS43 KLOT 192128 HWOLOT

Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 428 PM CDT Wed Sep 19 2018

Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook- La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford- Lake IN-Porter-Newton-Jasper-Benton- 428 PM CDT Wed Sep 19 2018 /528 PM EDT Wed Sep 19 2018/

This Hazardous Weather Outlook is for portions of North Central Illinois…Northeast Illinois and Northwest Indiana.

.DAY ONE…Tonight.

Weather hazards expected…

Elevated Thunderstorm Risk.  Elevated Flooding Risk.

DISCUSSION…

Scattered thunderstorms are possible this afternoon, especially south of I-80. Although severe weather is not expected, an isolated stronger storm with the threat of gusty winds and brief heavy downpours is possible. Additional thunderstorms are expected tonight, mainly over far northern Illinois especially north of the Interstate 88 corridor and near the Wisconsin border. An isolated stronger storm will also be possible during this time, with hail and locally heavy rainfall the main hazards.

.DAYS TWO THROUGH SEVEN…Thursday through Tuesday.

Thursday…

Limited Severe Thunderstorm Risk.  Limited Excessive Heat Risk.

Friday…

Limited Severe Thunderstorm Risk.  High Swim Risk

Saturday…

High Swim Risk

Monday…

Limited Thunderstorm Risk.

Tuesday…

Elevated Thunderstorm Risk.

DISCUSSION:

There is a chance of thunderstorms over far northern Illinois early Thursday, and across the entire area Thursday night. Some storms Thursday may be strong to severe, with damaging winds and hail the main threats. Thunderstorms will end from northwest to southeast Friday morning and early afternoon as a cold front moves through the region.

.SPOTTER INFORMATION STATEMENT…

Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east at 30 mph. </pre>

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