In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern ...

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

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 ...

Marylanders are bracing for the upcoming polar vortex, expected to bring temperatures into the single digits early this week.

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues ...

Are you ready for the coming arctic storm? Here’s the latest Colorado weather forecast and everything else you need to know ...

Cold weather is nothing new for Michigan, but this week, temperatures are dropping into the single digits with wind chills ...

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