More than 400 flights were delayed or canceled at Denver International Airport on Monday as a polar vortex continued to ...

In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this ...

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.

Temperatures are expected to plummet over the weekend, bringing life-threatening conditions to large stretches of the United ...

The Siberian airmass, which is being spun southward by a stretching polar vortex, will keep temps 15 to 30 degrees below ...

Parts of Mississippi can expect freezing temperatures, lows in the teens in the coming week. Know how to prep your home, ...

Parts of Mississippi can expect snow, freezing temperatures, lows in the teens next week. Know how to prep your home, family, ...