More than 120 counties in Texas, nearly half of the state, is under an extreme cold watch or warning this week.

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

School was canceled Friday for millions of children across a wide tract of southern states from Texas to Georgia and as far east as South Carolina. Some of the heaviest snowfall was expected ...

An Arctic air mass is blanketing the eastern two-thirds of the United States, bringing extreme cold ... allowing Arctic air to surge deep into the continental U.S., according to federal researchers.

A major storm spread heavy snow, sleet and freezing rain across the southern United States on Wednesday, breaking snow records and treating the region to ...

In the Deep South, temperatures may rebound to average ... There are signs that a surge of mild air could move across the United States in early February, though it’s too early to say how ...

Schools canceled classes in many areas across at least eight states, and government offices ... settling in for much of the week across the Deep South, where at least three deaths have been ...

sleet and freezing rain across the southern United States on Wednesday, breaking snow records and treating the region to unaccustomed perils and wintertime joy. From Texas through the Deep South ...