Tuesday, April 20, 2021

Hazardous Weather Outlook for McHenry Co., IL

<pre>FLUS43 KLOT 200848
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
348 AM CDT Tue Apr 20 2021


Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
348 AM CDT Tue Apr 20 2021 /448 AM EDT Tue Apr 20 2021/

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 Snow Risk Today.
Significant Freeze Risk Tonight.

DISCUSSION...

A late season storm system will bring some accumulating wet snow
to the area on Tuesday, with accumulations primarily on non-paved
surfaces. The greatest potential will be east of I-55 and south of
I-80 this afternoon and early evening. Elsewhere across northern
Illinois, scattered snow showers this afternoon may produce brief
minor snow accumulations.

Sub-freezing temperatures are expected tonight, including in the
Chicago metro.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday night...
Significant Freeze Risk.

DISCUSSION:

Sub-freezing temperatures are expected again Wednesday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.
</pre>


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