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Posted at 3:15 PM ET, 10/ 8/2009

PM Update: Beautiful Today, Quite Warm Tomorrow

By Ian Livingston

A little unsettled this weekend and a good bit cooler

* Army Ten-Miler Photos | Attack of the Autumn Allergies *
* Outside Now? Radar, Temps, Clouds & More: Weather Wall *

Fall's finest weather returned today as gusty winds of yesterday became little more than a memory. Mostly sunny skies throughout the day have helped temperatures rise to highs around 70 in many spots. Clouds are about to start increasing from the west and that trend continues into evening, eventually leading to a mostly cloudy overnight. If you're already missing summer's warmth, savor tomorrow's temperatures, as we are running out of time for such.

Webcam: Latest view of D.C. from the Netherlands Carillon at Arlington National Cemetery. Courtesy National Park Service. Refresh page to update. See this image bigger on our Weather Wall.

Through Tonight: After a pleasantly cool evening with some increase in clouds and temperatures falling through the 60s, we trend mostly cloudy as a warm front moves through. There could be a very light shower somewhere but I'm not expecting much. Clouds and increasing moisture levels keep temperatures from falling below the low-to-mid 50s.

Tomorrow (Friday): We're looking at a little Indian Summer on Friday, but it won't last long. Skies should be partly sunny, though maybe mostly cloudy early. Ahead of a cold front, southerly winds pump in the warmth. Many locations should rise to highs between 80 and 85 -- 10 to maybe 15 degrees above average for the date. A few showers are possible late in the evening or overnight.

See Josh Larson's full forecast through Columbus Day. And if you haven't already, join us on Facebook and follow us on Twitter.

Toxic Snow and Tadpoles: Scientists from the USGS and Southern Illinois University have linked frog population declines in the Sierra Nevada mountains to pesticides used in California's San Joaquin Valley. The pesticides are picked up by winds and transported into clouds which eventually drop snow in the mountains. When snow melts in the spring, the contaminants enter streams and rivers and slow tadpole growth and development. Read the full study.

By Ian Livingston  | October 8, 2009; 3:15 PM ET
Categories:  Forecasts  
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Next: Forecast: Breezy Warmth Today, Then Cooler

Comments

Out west (Blue Ridge east of Front Royal) we are getting some light showers. Currently 52.0F.

Posted by: spgass1 | October 8, 2009 10:21 PM | Report abuse

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