From the ABC 7 Weather team

D.C. forecast: Unsettled overnight, refreshing cold front by Wednesday

September 11, 2011 - 11:30 PM
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Showers and isolated thunderstorms will come to an end overnight with temperatures falling into the upper 50s to middle 60s.

Overnight: Mostly Cloudy, Isolated Showers

Lows: 60s | Wind: South 5-10 mph

Monday: Partly to Mostly Sunny, Slight Risk for Thunderstorms (30%)

Highs: 82°- 87° | Wind: West 5-10 mph

Tuesday: Mostly Sunny and Warm

Highs: middle 80s | Wind: Southwest 5-10 mph

Thunderstorms and scattered showers will dot the radar during the evening and overnight hours. Since some thunderstorms may contain pockets of heavy rain, the National Weather Service has issued a Flash Flood Watch for the District and surrounding counties. For the latest flood watches and warnings, click here. Overnight lows will fall into the 60s.

Monday will be partly to mostly sunny with a slight risk for afternoon thunderstorms. At this point, the chance is limited to about 20 to 30 percent. Afternoon temperatures should reach the lower to middle 80s.

A cold front will move closer to the region late Tuesday. With the passage of the frontal system Wednesday, a noticeable shot of cooler and less humid air will be felt Thursday and Friday. Highs will be in the upper 60s to lower 70s.

Stay with ABC7,, News Channel 8 and Weather Now for additional updates.

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