By the time March, April, and May come along, even the most ardent snow-lovers can suffer from winter weather fatigue. After ...

A winter storm brought the Lehigh Valley its biggest snowfall of the winter so far before temperatures become dangerously ...

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance ...

A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

A major cold blast is in store for millions of Americans as a lobe of a polar vortex will bring brutally cold temperatures to ...

Here's a detailed forecast and timeline of when NYC will see snow on Sunday, how many inches to expect and what's forecast to happen when a polar vortex sweeps the area next week: ...

A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow and ice to the East and Deep South.

More than 500 flights were delayed or canceled at Denver International Airport on Monday as a polar vortex continued to freeze Colorado. There were 529 delayed and 28 canceled flights as of 4:15 p.m., ...