• The cold temperatures over the central U.S. will be moving into the eastern third of the country on Tuesday behind a strong cold front that is exiting into the Atlantic. The cold temperatures with the gusty winds will result in dangerously cold wind chills across most of the Eastern Seaboard. Meanwhile, the dangerously cold temperatures across the nation's heartland will begin a slow moderation.
• Early This Morning: Light snow likely. Little or no new snow accumulation. Southwest winds 5 to 10 mph.

Chance of snow 70 percent.
• Today: Mostly cloudy. Light snow likely in the morning. Little or no snow accumulation. Highs zero to 5 above. West winds around 5 mph shifting to the north up to 5 mph in the afternoon. Chance of snow 70 percent.
• Tonight: Mostly cloudy in the evening then becoming partly cloudy. Lows around 20 below. North winds around 5 mph. Wind chill readings 20 below to 30 below zero.
• Wednesday: Partly sunny. Highs near zero. North winds up to 5 mph shifting to the southeast around 5 mph in the afternoon. Coldest wind chill readings 25 below to 35 below zero in the morning.
• Wednesday Night And Thursday: Not as cold. Mostly cloudy. Lows around 5 below. Highs in the lower 20s. South winds 10 to 20 mph. Wind chill readings 15 below to 25 below zero.
• Thursday Night Through Saturday: Partly cloudy. Lows around 15. Highs in the lower 30s.
• Saturday Night: Mostly cloudy with a 20 percent chance of light snow. Lows in the lower 20s.
• Sunday: Partly sunny with a 20 percent chance of light rain or snow. Highs in the lower 30s.
• Sunday Night: Partly cloudy. Lows 10 to 15.