Saturday, November 24, 2018

Hazardous Weather Outlook for McHenry Co., IL

<pre>FLUS43 KLOT 241003 HWOLOT

Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 403 AM CST Sat Nov 24 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- 403 AM CST Sat Nov 24 2018 /503 AM EST Sat Nov 24 2018/

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

.DAY ONE…Today and Tonight.

Weather hazards expected…

Limited Ice accumulation Risk.

DISCUSSION…

A mix of light snow...rain and freezing rain is expected to  develop after midnight tonight across portions of north central  Illinois. Temperatures will be in the lower 30s...though there  may be some light ice accumulation mainly on elevated surfaces.

.DAYS TWO THROUGH SEVEN…Sunday through Friday.

Sunday…

Elevated Non Thunderstorm Wind Risk.  Elevated Ice Accumulation Risk.  Significant Snow Risk.  Significant Lakeshore Flood Risk

Monday…

Limited Non Thunderstorm Wind Risk.  Elevated Lakeshore Flood Risk

DISCUSSION:

A strong winter storm will move through the region Sunday and Sunday night. A mix of rain and snow is expected to change to heavy wet snow during the day across north central Illinois, with the rain snow line moving southeast across the remainder of the outlook area during the afternoon and early evening hours. Heavy wet snow accumulations in excess of 6 inches are possible primarily northwest of a Peru to Waukegan Illinois line, with amounts decreasing quickly to the southeast. In addition to the accumulating snow, northerly winds will become very gusty Sunday afternoon and night, with gusts of 35 to 40 mph possible. This may produce blowing and drifting snow, further impacting travel. In addition, the strong north winds will produce large waves on Southern Lake Michigan, which may produce lakeshore flooding along the lake shore.

.SPOTTER INFORMATION STATEMENT…

Spotter activation will not be necessary through tonight.

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