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 ...

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 ...

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

Almost all school districts in Central Texas closed due to the weather. Tierra has the details. Here's what to know about ...

You all loved this last year when we had bitterly cold temperatures — now with the return of the polar vortex, our Ross ...

A potentially historic winter storm is sweeping through the Gulf Coast region, where snow and ice will bring heavy impacts — ...

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

Around 40 million people in the U.S. are under a winter storm warning from an unusual blast of severe winter weather.

Follow live updates from Donald Trump's presidential inauguration as he is sworn in as the 47th US President to succeed Joe ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

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