Louisiana isn’t known for extreme cold weather—but that changed Tuesday, when the National Weather Service issued its first ...

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 ...

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...

Snow, sleet and freezing rain are set to fall across parts of southern Texas, southern Georgia and northern Florida as the ...

A winter storm will bury parts of the Deep South with snow through early Wednesday. Here’s a forecast for key cities in its ...

A heavy storm hit the city of Murmansk in northwestern Russia on Tuesday. Murmansk mayor, Yuri Serdechkin said the prolonged ...

How Donald Trump's presidential inauguration unfolded as he was sworn in as the 47th President to succeed Joe Biden.