From the ABC 7 Weather team

Washington D.C. Forecast: Warmer Days Ahead...For A While

December 3, 2013 - 11:09 PM
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Warmer air will be in place for the end of the week but much colder air may return by the weekend.

Overnight:
Mostly Cloudy, Chilly
Lows: 30s to Low 40s
Wind: Light
Wednesday:
Mostly Cloudy, Mild
Highs: Mid 50s
Wind: S 4-8 m.p.h.
Thursday:
Mostly Cloudy, Warmer, PM Showers
Highs: Mid 60s
Precipitation: 30%

Clouds will be returning to the region overnight but that will help keep  temperatures above freezing. Despite mostly cloudy skies tomorrow, an approaching warm front will push temperatures back into the middle 50s. On Thursday, as a strong cold front gets a little closer, we will see a push of unseasonably warm air across most of the mid-Atlantic states. It will become cloudy and breezy and a few afternoon showers will be possible BUT temperatures will climb into the middle 60s.

On Friday, the cold front will be crossing the area from west to east. This will keep skies cloudy and produce periods of rain across the entire area. Temperatures will remain in the 50s during the day. By Saturday morning, there could be a few pockets of light rain still behind the cold front along with plenty of low and mid-level clouds. But skies will brighten and turn partly sunny during the day Saturday but temperatures will be much colder. We are forecasting highs only in the middle 40s and temperatures will fall below freezing Saturday night.

And then on Sunday, with a large, cold air mass, in place, east of the Appalachians, a strong area of low pressure will move west of the mountains towards the Great Lakes. This will put our region in a typical winter pattern known as Cold Air Damming. The result cloud well be periods of sleet and/or freezing rain UNTIL surface temperatures warm above freezing turning the wintry mix into plain, old-fashioned rain.

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