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

More dangerously cold air is on the way for much of the U.S. Will Tennessee be impacted? Here's what to know.

National Weather Service (NWS) offices are keeping a close eye on the weather setup and could issue Extreme Cold Warnings.

Below-zero wind chills have frozen Delaware for the better part of two weeks.

Extreme cold warnings span several eastern states as of Friday, with meteorologists warning of frigid wind chills.

Windchill temperatures as low as minus 30 degrees are a risk to life, forecasters said.

The cold weather appears to be here to stay in South Jersey, at least until mid-February. A polar vortex is expected to keep ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

Wind chills as low as 30 degrees below zero are in the forecast for parts of New England and the interior Northeast.

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. Here's what to know in Middle Tennessee.

The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma could see snow, sleet and ice. As of Wednesday, Jan. 21, millions of ...