Thursday, November 29, 2018

Hazardous Weather Outlook for McHenry Co., IL

<pre>FLUS43 KLOT 292126 HWOLOT

Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 326 PM CST Thu Nov 29 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- 326 PM CST Thu Nov 29 2018 /426 PM EST Thu Nov 29 2018/

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

.DAY ONE…Tonight.

Weather hazards expected…

Limited Ice accumulation Risk.

DISCUSSION…

A weak weather disturbance will bring the potential for scattered light freezing rain to the area tonight. This may cause a few slick spots on untreated roadways…sidewalks and parking lots overnight.

.DAYS TWO THROUGH SEVEN…Friday through Wednesday.

Friday…

Limited Ice Accumulation Risk.

Saturday…

Limited Severe Thunderstorm Risk.  Limited Non Thunderstorm Wind Risk.  Limited Ice Accumulation Risk.  Elevated Lakeshore Flood Risk

Sunday…

Limited Snow Risk.

DISCUSSION:

A stronger storm system will move into the region Friday night. Rain and freezing rain is expected to develop after midnight, with slowly rising surface temperatures eventually changing precipitation to all rain from south to north through Saturday morning. Minor ice accumulation is possible, and some roads and elevated surfaces may become slick. Rainfall, combined with some snow melt where snow pack exists, may lead to rises in rivers and creeks and potentially some flooding of low spots this weekend. Also, a few thunderstorms are possible Saturday. A few storms could be strong to severe mainly south of the Interstate 80 corridor Saturday afternoon. Farther north, east winds gusting to 35 mph at times Saturday morning and early afternoon may produce minor lakeshore flooding along the Illinois shore of Lake Michigan.

.SPOTTER INFORMATION STATEMENT…

Spotter activation will not be necessary through tonight.

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