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

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's typical warmth.

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,

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.

Find out why Florida, Louisiana and other Souther states in the U.S. are experiencing a rare, historic snowstorm.

A major storm spread heavy snow, sleet and freezing rain across the southern United States on Wednesday, breaking snow records and treating the region to

Another polar vortex disruption will stretch Arctic ... Up to 280 million Americans will have a day or two where it's colder than Anchorage, Alaska, said private meteorologist Ryan Maue.

The ultramarathon from International Falls to Tower starts Monday. The forecast temperature is 20 degrees, but the race director wishes it had started a week earlier when it was 42 below zero.

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the record-breaking blast of cold, snow and wintry conditions that reached all the way to the Gulf Coast this week.

Here's the latest on the winter storm.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 records are falling right and left this week. But, it looks Mobile takes the cake so far. The six and a half inches that fell by mid day Tuesday topped the six inches of snow Alabama’s Port City saw in 1881.

Roller Coaster