Cold temperatures are set to continue into the weekend, but New England will feel another icy blast of Arctic air Sunday ...

La Niña has a major influence on winter weather in the U.S., but its effects vary drastically by region. What will we see?

The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...

A polar vortex is a mass of cold air that normally stays contained over the Arctic. The cold blast is predicted to be ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

Year-round, severe, artic air is usually kept tightly contained in the North Pole. Arctic wind patterns create a sort of wall ...

This dramatic-sounding phenomenon is a naturally occurring component of the Earth’s atmosphere that can play a huge role in the type of weather we experience in the US.

As we head into the polar vortex, meteorologists are calling for up to a foot of snow in some parts of the U.S.

Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...

A fresh shot of Arctic air could bring the coldest air of the season for many this week, according to AccuWeather ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid weather.