Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

Despite being notorious for bringing brutal cold and dangerous wind chills, the polar vortex has a surprising upside.

The weather story for the second half of this week is bitter Arctic cold once again. There continues to be signs the cold ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Temperatures could fall below -20 F across certain parts of North Dakota and Minnesota.

Don't let the incoming string of relatively warm days in the greater Philadelphia region fool you; the polar vortex is still around.

The North Pole is surrounded by a massive circular upper-air weather phenomenon in the Arctic called the polar vortex. It is ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way ...

Since we are deep into Arctic air, the snow will be slowing down, for at least one week. As the somewhat warmer air shifts ...

A major ice storm is expected to impact multiple states from Texas to Georgia this weekend, ...