A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

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

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

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

FOX59 Meteorologist Ethan Rosuck provided an update on the dangerous cold Indianapolis could see at the start of the work ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

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

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

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

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...