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

A Siberian chill is on the horizon, threatening to plunge the U.S. into a deep freeze in parts of the east coast

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 globe and make Donald Trump's second inauguration the coldest in 40 years, meteorologists said.

Forecasters predict another polar vortex disruption will stretch ... it will mean a day or two where it’s colder than Anchorage, Alaska. Monday's inauguration will see single-digit wind chills ...

Another polar vortex disruption will stretch Arctic air across the top of the globe and make Donald Trump's second inauguration the coldest in 40 years, meteorologists said.

Up to 280 million Americans will have a day or two where it’s colder than Anchorage ... with these stretches because when the polar vortex stretches, the flow starts in Siberia and ends in ...

A comet not seen in the last 80,000 years is putting on a show over Alaska skies this week. Viewers are sending in amazing photos capturing the celestial event. A landslide in Ketchikan Sunday night forced the closure of a two-lane road on the outskirts of ...

Nearly all of Michigan received an extreme cold warning yesterday. A surge of arctic air known as the polar vortex is the cause behind this abnormally cold weather. According to the National Weather Service,

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...

The snow storm could hit over a dozen states through Wednesday, including Texas, Louisiana, Mississippi, Alabama, Florida, Georgia and the Carolinas.

Heavy snow, sleet and freezing rain are expected around the Deep South as a blast of Arctic air plunges much of the Midwest and the eastern U.S. into a deep freeze.

In addition, the strip of winter storm and blizzard warnings stretching from South Texas to Jacksonville, Fla. is something rarely seen, as a low pressure area traverses the central Gulf of Mexico, directing abundant moisture northward, into the frigid air mass.