What is a polar vortex? Wind chill temperature? Winter weather terms to know

As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms ...

What's the best temperature to set your thermostat during cold weather? Find out

What is the best temperature for a thermostat in the winter? The U.S. Department of Energy recommends this setting.

What is the polar vortex? The phenomenon behind the cold weather.

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...
The New York Times

Some of the Coldest Temperatures of the Season Are Sweeping Through the U.S.

There’s no denying it. It’s really December. -40 -20 0 20 32 Source: NOAA Two separate shots of cold Arctic air moving down from Canada are predicted to send temperatures across a portion of the ...