A deep freeze, thanks to the polar vortex dipping down from Siberia, will bring frigid temperatures to nearly 300 million ...

A series of disturbances in the atmosphere is sending the polar vortex south (again) next week with a burst of even colder ...

It’ll be a memorable cold outbreak as gusty winds make the frigid air dangerously cold in many locations in the coming days ...

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...

The cold will pose a danger to pipes, so be sure to cover exterior pipes, open cabinets with pipes so warm air can circulate, ...

This blast of cold weather is due to activity of the polar vortex.

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

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.

A series of cold fronts the last few weeks has kept Florida downright chilly, as another winter storm starts to take aim this ...

The bitter weather is expected to bring nighttime lows as cold as minus 31 deg C over the weekend. Read more at ...

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

A lobe of the Polar Vortex is going to swing through Ontario just north of Michigan. The upper-air forecast gives us an easy ...