A bitter blast of cold air settles over the D.C. region Tuesday as all eyes turn to a potential weekend winter storm that could deliver significant snowfall.

Washington, D.C., and the surrounding area are set to receive an unusually high amount of snow this weekend, as a massive winter storm makes its way across the United States. Several inches of snow and frigid temperatures are expected to hit the Beltway region,

There are many variables that go into forecasting snow amounts, that apps don't account for.

The Washington, D.C., region is bracing for a significant snowstorm this weekend that could bring major accumulations to the nation’s capital and surrounding areas.

Bitter cold is on the way this week after a round of snow hit the DC area over the weekend. The fast-moving winter storms could dump foot or more of snow in portions of the Great Lakes and interior New England through this weekend.

Forecast: Tuesday: Mostly sunny and very cold. Breezy. Highs: 26 - 31. Winds: WSW 10. Tuesday Night: Clear to partly cloudy. Very cold. Lows: 8 - 20. Winds: NW 10. Wednesday: Partly cloudy and not as cold. Some p.m. clouds. Highs: 37 - 42. Winds: SE/SW 10.

Some of the coldest air of the season settles over the Washington, D.C. region Friday as a pair of wintry systems line up for the weekend.