• A storm system will take shape over the central U.S. on Friday, with heavy snow in portions of the Midwest and Ohio Valley. On Saturday, the snow will shift northeast and extend from the Ohio Valley into the New England states. Also, freezing rain will be possible from northwestern Arkansas into Indiana on Friday and along the Central Appalachians into the southern New England on Saturday.
• Today: Colder. Cloudy with a 50 percent chance of light snow. Highs 5 to 10 above. Northeast winds around 15 mph.

• Tonight: Light snow likely. Little or no snow accumulation. Lows around 5 below. Northeast winds 5 to 15 mph shifting to the north up to 5 mph after midnight. Chance of snow 60 percent.
• Saturday: Mostly cloudy. A 40 percent chance of light snow in the morning. Highs around 10. West winds 5 to 10 mph.
• Saturday Night: Mostly cloudy. Lows around 5 below. Northwest winds 5 to 10 mph shifting to the northeast after midnight.
• Sunday: Mostly cloudy with a 20 percent chance of light snow. Highs around 15. South winds 5 to 10 mph.
• Sunday Night: Not as cold. Mostly cloudy in the evening then becoming partly cloudy. Lows 10 to 15. Temperature steady or slowly rising after midnight.
• Monday And Monday Night: Not as cold. Partly cloudy. Highs in the lower 30s. Lows 15 to 20.
• Tuesday And Tuesday Night: Partly cloudy. Highs in the mid 20s. Lows 5 to 10 above.
• Wednesday: Mostly cloudy. Highs in the lower 20s. Temperature steady or slowly falling in the afternoon.
• Wednesday Night: Mostly cloudy with a 20 percent chance of light snow. Lows 5 to 10 above. Temperature steady or slowly rising after midnight.