What's the difference between a winter storm warning and watch?

As a winter storm approaches Upstate South 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.
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 ...

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 ...