Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...

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

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as tens of millions of residents along the East Coast contend ...

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

The polar vortex, a swirling mass of cold air located over the polar regions, is responsible for the impending cold. It will bring extreme cold as far as the Deep South as we head into the start ...