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

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

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

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

Snow and winds are likely to trigger flight cancellations and cause headaches for people traveling to DC for Inauguration Day ...

Severely cold winter weather is set to hit Knoxville, prompting warming shelters to open starting the night of Jan. 19.

A polar vortex could cause light snow over the weekend in Knoxville. A polar vortex is to blame for freezing temperatures.

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

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

Dozens of US states will endure the lowest temperatures they have felt in years next week as a polar vortex brings ...