Any sort of wind along with the bitter cold will make for frostbite in as little as 15 to 20 minutes in the incoming arctic cold. Our long-range forecast models are continuing to pump in wind chill temperatures between -15° and 0° consistently each morning Monday through Wednesday.

People in the U.S., Europe and Asia experience the polar vortex's intense cold when it escapes the North Pole and plunges southward.

Several governors across the US issued warnings to residents to stay at home and off the road as the polar vortex struck deep into the American heartland and out toward the East Coast

Studies show a fast-warming Arctic is partly to blame for the increasing frequency of the polar vortex extending its icy grip.

An area stretching from Texas to Tennessee is bracing for the expected arrival of freezing rain and snow, as some other parts of the country that already received an arctic blast this week are prepari

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, making many roads treacherous,

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.

Snow and winds are likely to trigger flight cancellations and cause headaches for people traveling to DC for Inauguration Day.

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and when the cold front will arrive.

Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex, slipping down to engulf large parts of the country. Early January's winter storm prompted seven states to declare states of emergency,