CHICAGO (CBS) — A chunk of the polar vortex is present in the Chicago area, bringing the coldest temperatures of the season with dangerous wind chills. The polar vortex is an ever-present ...

That’s to say, we’re reaching a tipping point.” This is at least the third polar vortex intrusion Chicago has endured in the past five years, as the cold air mass engulfed the area in ...

Borchardt and Friedlein: “A polar vortex is a large low pressure system ... the time frame of late December to early February.” Chicago observed its coldest temperatures in 34 years, minus ...

As the polar vortex blankets the Chicago area with life-threatening cold temperatures this week, rail crews are literally turning up the heat in order to keep trains running. Chicago commuter ...

You’ve probably already reached for your parka upon reading “polar vortex.” But for the blissfully uninitiated: When Chicago gets hit with one, crippling snowstorms can occur and ...

CHICAGO — It takes a lot to slow down the ... While many Chicagoans continue to have electricity in this polar plunge, others haven’t been so lucky. Nearly 10,000 residents of the city and ...

CHICAGO – The polar vortex battered the Midwest Wednesday. The extreme temperatures left at least eight dead, kept hundreds of thousands of workers and students home and strained ...

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Given the fact that it's winter in Chicago, is news regarding frigid temperatures really news at all? For what it's worth, a polar vortex—a large region of low pressure and cold air—is set to ...

It was colder in Chicago than the South Pole, Barrow, Alaska, and Greenland during that polar vortex plunge. It was also colder in Chicago than Mars and Mt. Everest and the places in Russia north ...

CHICAGO (CBS) — A Weather Alert will be ... We are tracking the return of the polar vortex next week as a wavy jet stream brings a blast of Arctic air to the Great Lakes. Air temperatures ...