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

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

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

Despite a cold start to the day, most of the U.S. will experience seasonably mild temperatures on Thursday. However, ...

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

A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow and ice to the East and Deep South.

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

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

A major cold blast is in store for millions of Americans as a lobe of a polar vortex will bring brutally cold temperatures to ...

Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with ...