Sunday, November 25, 2018

Hazardous Weather Outlook for McHenry Co., IL

<pre>FLUS43 KLOT 251007 HWOLOT

Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 407 AM CST Sun Nov 25 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- 407 AM CST Sun Nov 25 2018 /507 AM EST Sun Nov 25 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…

Elevated Non thunderstorm wind Risk.  Extreme Snow Risk.  Extreme Lakeshore Flood Risk

DISCUSSION…

A powerful winter storm will impact the region today and tonight. Heavy, wet snow will fall across much of northern Illinois late today and tonight, with accumulations of a foot or more possible from the Quad Cities into the west and northwest suburbs of Chicago. Snowfall amounts will decrease to the southeast, with amounts of 1 to 3 inches expected southeast of the Interstate 55 corridor in eastern Illinois and northwest Indiana. This storm will be accompanied by strong winds gusting to 45 mph late today and tonight. These strong winds will produce blowing and drifting snow and poor visibility, and combined with heavy wet snow may result in downed tree limbs and power outages. Travel will become hazardous and potentially life-threatening across portions of northern Illinois late this afternoon and this evening. Strong onshore winds will also produce large waves and lakeshore flooding along the Illinois and Indiana lake Michigan shores.

.DAYS TWO THROUGH SEVEN…Monday through Saturday.

Monday…

Limited Excessive Cold Risk.  Elevated Non Thunderstorm Wind Risk.  Limited Snow Risk.  Extreme Lakeshore Flood Risk

Tuesday and Wednesday…

Limited Excessive Cold Risk.

SPOTTER INFORMATION STATEMENT…

Spotter activation will not be necessary through tonight.

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