The world's most iconic waterfalls sees millions of visitors every year - but this week they are being treated to a very rare ...

It’s been warmer in Alaska than in three dozen other states. If someone asked you, “Where can I go in the United States to ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

"Weather connects people to each other and to places, and I hope we all saw a bit of magic and possibility in the world and ...

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

Warmer-than-normal temperatures in the Gulf of Mexico did not cause the record-setting snowfall, but the conditions may have ...

Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

A major cold blast is in store for more than 30 states as a widespread arctic air outbreak will send nearly every American east ... This will be due to a polar vortex, an area of strong winds ...

A rush of Arctic air will plunge parts of North America into bitter cold this ... The weather spell is being referred to as a polar vortex, but Mahdavi said that's a bit of a misnomer for what's ...

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption will stretch Arctic air across the top of the ...