Tuesday, May 13, 2025

Hazardous Weather Outlook for McHenry Co., IL

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

FLUS43 KLOT 140251 AAA
HWOLOT

Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
951 PM CDT Tue May 13 2025


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-
951 PM CDT Tue May 13 2025 /1051 PM EDT Tue May 13 2025/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

Significant Fog Risk, particularly near Lake Michigan.

DISCUSSION...

Dense fog is expected to develop inland off of southern Lake
Michigan this evening and continue into Wednesday morning. The
highest threat for dense fog will be across parts of northeastern
Illinois, but may also extend across the rest of the region late
tonight.

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

Wednesday...
Limited Thunderstorm Risk.
Elevated Morning Fog Risk.
Thursday...
Limited Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Friday...
Limited Thunderstorm Risk.
Significant Fire Weather Risk.

DISCUSSION...

Isolated to scattered thunderstorms may develop ahead of a cold
front late Thursday afternoon. If thunderstorms develop, some
will likely become severe with damaging hail being the greatest
threat.

On Friday, strong west-southwest winds and very warm and dry
conditions will result in an elevated to potentially significant
fire danger.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.


https://wxn.io/6nbxm