Arctic air grips the central and eastern U.S., bringing record-breaking cold, dangerous wind chills, and historic snowfall.

An Arctic blast that began in the northern plains on Saturday spread bitter cold from the Rockies through the East Coast and ...

ABC News’ Alex Perez reports from Chicago, where temperatures are in the single digits as a winter blast hits millions.

Tuesday is the coldest day so far this winter, but it was far from a record. The coldest temperature on the books for Jan. 21 ...

Residents across parts of the Gulf Coast and South are bracing for a rare winter storm expected to drop heavy snow and create ...

Frigid temperatures engulfed the South on Monday ahead of a winter storm that's expected to spread heavy snow and disruptive ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...

Trains on multiple Amtrak lines are canceled Tuesday and Wednesday as a blast of Arctic air continues to grip the Chicago area.

An intense blast of Arctic air blanketed the Mid-Atlantic and the Northeast with frigid temperatures, and a rare winter storm along the Gulf Coast.

The cold is about to get even colder in the Chicago area, with another advisory set to take effect across the region Monday ...

Millions of Americans are bracing for life-threatening cold as an arctic blast driven by the polar vortex plunges ...