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.
After starting in the Rockies Thursday night, the cold will blast eastward and as far south as the upper Florida peninsula over several days. Up to 280 million Americans will have a day or two where it’s colder than Anchorage, Alaska, said private meteorologist Ryan Maue.
