Impacts from what could be the most significant storm of winter are expected to begin on Friday, spreading ice, snow and cold across much of the U.S.

The weather forecast shows a major winter storm could hit Boston this weekend with heavy snow.

A major winter storm is set to spread heavy snow and damaging ice across a large portion of the United States over the coming days. Dangerously cold temperatures will only worsen the storm and increase its danger.

The major storm is set to hit starting on Jan. 23 and will stretch into the weekend, spreading snow and ice from the southern Plains to the Northeast.

WRAL meteorologists Elizabeth Gardner and Grant Skinner break down the ingredients of predictive weather models, explaining why they sometimes contradict one another, and how WRAL meteorologists use the data — as well as their own insight — to refine forecasts.

A winter storm is making its way across the majority of the United States on Sunday, January 25, and that makes football viewers wonder about the NFL weather forecast for today's NFL games. So, will it snow at either the Patriots-Broncos or Rams-Seahawks games?

The impact has been severe, especially on travel. Airlines have faced one of their worst disruptions in years, with close to 15,000 flights canceled between Friday and Monday.