While Phil may see his shadow Sunday, forecasters haven't seen theirs. On average, February is Philly's snowiest month.

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

The polar vortex is expected to remain on the Canadian side of the North Pole, which will keep an abundant supply of Arctic air readily available to fight back at times against the milder pattern.

Scientists say a warming planet may have been responsible for a winter storm that dropped 10 inches of snow on Northwest ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

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 ...

As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...

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

January has produced some amazing and unbelievable weather patterns across the U.S. The lower elevations of North Idaho continue to struggle for snow as only 8.4 inches have been measured at Cliff’s ...

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