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 ...

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

In what feels like the first real winter we’ve had in years here in New York, an Arctic blast or polar vortex is partially to blame. The polar vortex is ...

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 ...

Ranked dead last, or perhaps not mentioned at all, would probably be the only state that sits partly within the Arctic Circle ...

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.

The polar vortex can be a powerful source of winter weather, but it's not the only cause of severe cold and snow in regions better known for warmth and sunshine. The Gulf Coast states are still ...