A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million 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,

A powerful polar ... from Alaska through the Midwest and extending deep into the Southeast. Many Southern states that rarely face winter storms are now under weather warnings as the vortex ...

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late Monday into Tuesday. The event comes as an Arctic blast affects more than half the U.

Snow is expected to taper off around Denver by the early afternoon, while temperatures will remain well-below freezing through Monday night.

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, with expected frigid conditions in the nation’s capital severe enough to force Donald Trump’s second inauguration indoors on Monday.

ANNAPOLIS, Md. (AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies ...

Anchorage residents like Raven McCormac experienced firsthand the ferocity of the storm. The largest populated city in Alaska is still recovering from the hurricane-force winds that battered homes ...

But during the winter, it is joined by a second atmospheric phenomenon dubbed the polar vortex. This swirl of frigid air, located more than 10 miles above Earth’s surface, strengthens each year ...

Former Mayor Dave Bronson was appointed Friday to manage the Ted Stevens International Airport, the Alaska transportation department announced. The appointment came months after Bronson lost his bid to be reelected as mayor.

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