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 ...

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

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

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

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

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

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.

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 ...