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 ...

As mentioned, the forthcoming polar vortex infiltration will be one of the most widespread Arctic air outbreaks in recent memory. A ridge into Alaska displaces the polar vortex southwards over ...

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 in its frigid grip ...

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 ...

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the Northern Plains and unusual snow and ice in the Gulf Coast area.

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.

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After some early sun, clouds will return Saturday and temperatures will warm up, reaching into the mid-40s. Rain will move in during the afternoon and continue through the evening. Expect wet ...