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

Arctic air is already gripping much of the country, and the obvious concern for families from Atlanta to Albany is whether ...

While the Northeast braces for another frigid polar vortex, Oklahoma will experience unseasonable temperatures. Here's when ...

After this weekend's snow storm moves out, cold Arctic air will move in.

A major weather pattern change underway across U.S. As we get into next week, the storm track looks really interesting.

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

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march ...

The polar vortex will push Artic air south, and a severe winter storm could follow. How cold will it get in Louisiana?

A snowstorm and harsh winter weather have impacted at least 177 million people across the US ...

Wind chills are below zero degrees throughout the First State as a polar vortex grips the region. Wilmington, Dover and Lewes ...

Intense cold is settling in over the northeastern United States after winter storms brought snow and ice. Will the bitter ...

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 ...