PM Update: Gradual clearing overnight, sparkling weekend; Rim wildfire grows in Calif.


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

It, somewhat unexpectedly, turned into a rainy day with temperatures holding in the 70s (rainfall amounts generally 0.1-0.4 inches).  But the payoff is eventual clearing tonight and an absolutely wonderful weekend weatherwise.  Both days are sunny and warm, with low-moderate humidity.

Through Tonight: Showers may linger through around sunset, mainly east of the District.  Then skies slowly clear, with drier air working in as the night wears on.  Lows range from the low-mid 60s downtown to the upper 50s in the cooler suburbs.  Winds are light.

The weekend: About as good as it gets – both days.  Skies are mostly sunny, humidity is agreeably low (dew points 55-60), and temperatures are just about perfect with highs in the low 80s.  Winds are light from the north – at around 5-10 mph.  Saturday night is mostly clear with lows in the 50s to around 60 downtown.

See Camden Walker’s forecast into early next week. And if you haven’t already, join us on Facebook and follow us on Twitter . For related traffic news, check out Dr. Gridlock.

Pollen: Before the rain, which presumably washed the pollen away, counts were low for grasses and trees, moderate-high for weeds and low-moderate for mold.


The near full moon rises Thursday evening in the District (Jim Knapp via Flickr)

Rim Fire in California: A massive wildfire has blossomed in central California and has spread into Yosemite National Park.  The fire, which has charred 105,000 acres this week, is forcing evacuations in the area.    NASA captured the view of the blaze from space below.  For more information on the fire, see this piece from AccuWeather: Tourists, Residents Evacuate as Yosemite Wildfire Grows Exponentially


Via NASA: “On August 22, 2013, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite acquired this image of the drought-fueled Rim fire burning in central California, near Yosemite National Park.”
Jason is currently the Washington Post’s weather editor. A native Washingtonian, Jason has been a weather enthusiast since age 10.
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Jason Samenow · August 23, 2013