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.

Donald Trump will be sworn in as the 47th President inside the Capital Rotunda as bitter cold is forecast to grip the nation’s capital on Monday.

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into next week, impacting millions of Americans in nearly all of the contiguous states.

Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with Donald Trump's inauguration expected to be the coldest in 40 years.

A rush of Arctic air will plunge parts of North America into bitter cold this weekend, bringing heavy snow, strong winds and frigid temperatures to parts of Canada.

NEW ORLEANS — 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.

US President-Elect Donald Trump’s supporters braved the icy polar vortex on Saturday (local time) to catch a glimpse of the inaugural events leading up to his swearing-in ceremony. Several supporters were seen filming the fireworks that took place at Trump National Golf Club and wearing “Make America Great Again” (MAGA)

Carrie Underwood is a solid B-minus singer who will perform “America the Beautiful” at Trump’s inauguration, writes Vinay Menon. At least she’s an improvement on 3 Doors Down, Jackie Evancho and Big & Rich at the last one.

President-elect Donald Trump will take the oath of office indoors due to the freezing temperatures expected during his inaugural ceremonies.

The Republican was accompanied by his family members including his wife Melania and youngest son Barron as they walked out of the Dulles Airport.

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.