Northern Illinois and southern Wisconsin are dealing with another polar vortex that's bringing dangerously cold wind chills to the region.

Life-Threatening Cold on Tuesday Morning

Feels-like temperatures are expected to plunge to -25 to -30 degrees below zero early Tuesday morning (2/18), which has the Stateline under a Cold Weather Advisory until noon on Tuesday.

RELATED: Winter Storm Slamming Illinois and Iowa, Up to 8 Inches of Snow

Residents are warned of frostbite in as little as 30 minutes when exposed to these extremely cold temperatures. If you must be outside, wear multiple layers, and avoid any exposed skin.

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Stay Safe and Warm

Make sure to take precautions when traveling during a Cold Weather Advisory by keeping an emergency kit in your vehicle, and keeping pets indoors or making sure they have warm shelter.

Some Area Schools Closing Due to Cold

With the bitter cold posing a serious risk to students who have to wait outside for the bus, several schools in Illinois and Wisconsin are announcing delays and closings for Tuesday, February 18, 2025.

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SCHOOLS CLOSED ON TUESDAY, FEBRUARY 18:

As of 11 pm on Monday, the only schools on a delay or closed in Wisconsin were near Madison. CLICK HERE to see the Wisconsin list from WKOW-TV.

BUSINESSES / ORGANIZATIONS CLOSED ON TUESDAY, FEBRUARY 18:

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