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.

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.

The BriefBitter cold settles in Friday with wind chills in the single digits.A wintry mix is possible Friday night and Saturday morning.A coastal storm may brush the region Sunday, with the best snow chances south and east.

Heavy snow and a cold blast of arctic air threaten the Washington, D.C. region this weekend. What does the NFL rulebook say about the controversial interception that ended the Bills' season? Fernando Mendoza's mother, Elsa, was diagnosed with multiple sclerosis nearly two decades ago and now uses a wheelchair.

Forecast: Monday: Mostly sunny, breezy and quite chilly. Highs: 35-40. Winds: S 10-20, G35. Monday night: Very cold and breezy. Lows: 10-15. Winds: NW 10-15, G25. Wednesday: Mostly sunny. Highs: 36-42. Winds: NW 5-10.

A mild Tuesday is ahead for the Washington, D.C. region, with a brief chance of a wintry mix or even a few snow showers arriving late Wednesday into early Thursday.What we knowTuesday starts cold, with temperatures in the 30s,

SATURDAY NIGHT: Overcast, Scattered Showers Lows: 42-48 Wind Chill: 30s Winds: Northwest 5-15 mph A cold front moves through which will lower rain chances before tomorrow morning and winds will begin to increase out of the northwest.

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.