The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues ...

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

Here is what is and isn't a polar vortex when Colorado receives cold like what is forecast for the holiday weekend.

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

NEWS has issued Weather Impact Days for Friday through Tuesday due to subzero temperatures, wind chill and snow.

Wind chill values are expected to drop below 10 degrees, with some locations seeing wind chills closer to zero. Forecasters ...

A rush of Arctic air will overwhelm the weather pattern across North America starting this weekend, plunging Eastern Canada into some deep cold.

The coldest air of the season will sweep into the province this weekend, courtesy of a polar vortex. It has been a relatively ...

Donald Trump delivered his first inaugural address amid light rain showers in 2017. Snow flurries gave way to breaks in the ...