Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.

President-elect Donald Trump's second inauguration will mark the coldest presidential ceremony in more than 40 years.

A polar vortex will plunge Waterloo region, Guelph and Wellington County into a deep freeze until Wednesday, Environment ...

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

Still, several Colorado school districts will start late on Tuesday as the state waits out the last of subzero temperatures.

Riley Leonard opened the national championship game with a do-it-all drive that made it appear the Notre Dame quarterback ...

Fridged temperatures are battering the Cleveland area thanks to a polar vortex, and while most have the shelter of a warm home to seek refuge, others are left out in the cold.

Several businesses and organizations have announced closings and cancellations ahead of the extremely cold temperatures.

The region enacts cold weather measures when temperatures dip to -15 C or it feels like -20 C with the wind chill.