Tuesday, January 29, 2019

Hazardous Weather Outlook for McHenry Co., IL

<pre>FLUS43 KLOT 291001 HWOLOT

Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 401 AM CST Tue Jan 29 2019

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- 401 AM CST Tue Jan 29 2019 /501 AM EST Tue Jan 29 2019/

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

.DAY ONE…Today and Tonight.

Weather hazards expected…

Extreme Excessive Cold Risk by Tonight.  Significant Blowing Snow Risk.  Limited Snow Risk.

DISCUSSION…

There is a chance of snow showers from late morning through the evening. Minor accumulation under an inch is possible.

Blowing snow is likely in open areas this afternoon and tonight which could result in hazardous travel conditions.

Wind chills of 15 to 30 below zero today will fall to extremely dangerous levels of 40 to 50 below zero overnight.

.DAYS TWO THROUGH SEVEN…Wednesday through Monday.

Wednesday…

Extreme Excessive Cold Risk.  Limited Snow and Blowing Snow Risk.

Thursday…

Extreme Excessive Cold Risk.  Limited Snow Risk.

Friday…

Limited Excessive Cold Risk.

DISCUSSION:

A period of extreme bitterly cold weather will affect the region through Thursday. Daytime temperatures will remain well below zero Wednesday and will struggle to get above zero Thursday. Nighttime low temperatures of 20 to 30 below zero will be seen Wednesday night. The coldest wind chills will be in dangerous levels from 40 to 55 below zero Wednesday through Thursday morning.

.SPOTTER INFORMATION STATEMENT…

Spotter activation will not be necessary through tonight.

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