The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

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

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

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 disrupt traffic, trigger flight cancellations, and cause headaches for people traveling to D.C.

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

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

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

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