Track everything from current conditions, forecast timing and potential impacts from the winter storm here.

As a dangerously cold weather front plunges into the U.S., tens of millions across much of the country can expect heavy snow, sleet and freezing rain.

More than 160 million people across the United States are expected to face winter weather hazards that could cripple their daily lives in coming days, as roads are covered in snow and ice and power li...