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Posted at 10:25 AM ET, 09/16/2009

Forecast: Clouds & Shower Chances Replace Sun

By Dan Stillman

Will new weather pattern linger into weekend?

* What Does an Inch of Rain Mean? | Joe Wilson, Civility & Climate *
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Today: Partly to mostly cloudy. Passing showers? Mid-to-upper 70s | Tonight: Mostly cloudy. Passing shower? Low 60s. | Tomorrow: Mostly cloudy. Chance of showers. Around 70. | A Look Ahead


It sure was a glorious start to the week with sunshine and highs in the 80s both Monday and Tuesday. A noticeably different weather pattern arrived late yesterday and will stick around through at least tomorrow, bringing increased clouds and some shower chances. Can we clear things out for Friday and the weekend? Mmm... maybe, maybe not.

Radar: Latest D.C. area radar loop shows movement of precipitation over past two hours. Powered by HAMweather. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Today (Wednesday): A cold front nearby will mean more clouds and lower temperatures -- highs in the mid-to-upper 70s -- than the first two days of the work week, along with the chance of a few passing showers. Still, some glimpses of sun are possible as well. Confidence: Medium

Tonight: We'll continue to run the risk of a passing shower during the evening and overnight, with mostly cloudy skies and lows mainly in the low 60s. Confidence: Medium

Keep reading for the forecast through the weekend. And check back with PM Update this afternoon for the latest forecast....

Tomorrow (Thursday): At a minimum we'll likely see the threat of passing showers persist. A more impactful area of steadier rain approaching from the west/southwest may or may not dry up some before reaching the metro area. Mostly cloudy skies should keep high temperatures to around 70. Confidence: Low-Medium

Tomorrow Night: We hang on to a chance of showers with lows around the low 60s. Confidence: Low-Medium


Most of the computer model guidance suggests high pressure will bring a mostly dry Friday, Saturday and Sunday, with precipitation staying to our south or west. Sometimes, though, high pressure doesn't turn out to be as strong as the models advertise, so I'm not ready to fully commit to a worry-free forecast just yet. For now, we'll call the three-day period partly sunny with highs in the 70s to near 80 and uncertain shower chances. Confidence: Low-Medium

By Dan Stillman  | September 16, 2009; 10:25 AM ET
Categories:  Forecasts  
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So my trip to busch gardens on Friday may be OK with a chance of a sprinkle?

Posted by: SA-Town | September 16, 2009 9:03 AM | Report abuse

How is the weather looking for the Skins game on Sunday? Still too far out to tell?

Posted by: authorofpoetry | September 16, 2009 9:16 AM | Report abuse

Cautious Optimism! the weekend could be alright. Williamsburg may have a higher chance of a shower on Friday; however Sunday for the Skins game looks even more likely to be dry. As long as you two don't care about clouds, right? :) ps- dont tell anyone yet that this weekend may be salvageable. CWG is still investigating!

Posted by: Camden-CapitalWeatherGang | September 16, 2009 9:53 AM | Report abuse

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