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Posted at 3:15 PM ET, 06/16/2009

PM Update: (Mostly) Quiet Weather, for Now

By Ian Livingston

More widespread showers and cooler Wednesday

* Best of CWG's VORTEX2 Photos | Severe Weather Junkie? *

Like yesterday, isolated slow-moving showers and thundershowers have popped up, bringing some locally heavy rain. Plenty of clouds have held tough across the rest of the area and more of the same is on tap through tonight. Temperatures have risen into the mid-and-upper 70s most spots as cooler marine air bleeds into the area. Tomorrow we head well-below average temperature-wise as the easterly flow becomes even more well established.

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.

Tonight: After isolated evening showers, tonight will mainly just be cloudy, but a new area of showers may advance on the area from the south and west by sunrise. Temperatures will settle back to the low 60s most spots, cool though clammy as abundant low-level moisture sticks around.

Tomorrow (Wednesday): Off-and-on showers are likely throughout the day and into the evening Wednesday as skies stay pretty cloudy. The maritime flow will also keep things cooler as highs should climb to around 70, perhaps into the low 70s.

It looks like most spots should see about .1-.25" of rain through tomorrow evening, but it's still rather uncertain where the best rains will setup, so totals could be higher or lower.

See Matt Rogers' full forecast through the weekend. And if you haven't already, join us on Facebook and follow us on Twitter.

Climate Impacts Report: The White House released a new report on global climate change and launched a new Web site on the subject this afternoon. The report (available here) -- billed as "the most comprehensive and authoritative of its kind" -- details the impacts of climate change on the U.S. in the present and future. CWG's Ann Posegate will explore the details of the report for the area and country as a whole tomorrow.

By Ian Livingston  | June 16, 2009; 3:15 PM ET
Categories:  Forecasts  
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Next: Forecast: Summer Interrupted, But Not for Long


I am not looking forward to the cool damp weather tomorrow! Can we just have one week with mid 80's and full sun?

Posted by: clintonportis17 | June 16, 2009 3:33 PM | Report abuse

Rainfall tomorrow sounds pretty unpredictable but are some areas more likely to get wetter than others? More pointedly, how is West of the area (Loudoun) looking tomorrow? And are heavy showers anticipated or just light rain/drizzle? Thanks!

Posted by: mrwrinkle | June 16, 2009 3:50 PM | Report abuse

mrwrinkle, I think the further west you are the better your odds of heavier rain totals overall... if guidance is to be trusted. Models are spitting out some more significant rain generally outside of "our" area -- along and west of the Apps. Also showing a pretty sharp cutoff to the east at the moment. I think it's lighter showers with some embedded heavier stuff (especially afternoon/evening) here and there. It's the type of situation where a small shift could mean some decent differences though, so probably worth watching till tomorrow if you have plans.

Posted by: Ian-CapitalWeatherGang | June 16, 2009 4:30 PM | Report abuse

Ian: Many thanks! I had plans to be outside until about 1pm tomorrow. I don't mind occasional showers/drizzle -- just the heavy stuff gets unpleasant. Will do as you suggest and check early tomorrow morning.

Posted by: mrwrinkle | June 16, 2009 4:57 PM | Report abuse

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