PM Update: A welcome rain-free Saturday to follow stormy week

Temperature Map

Temperatures: Latest D.C. area temperature map. See interactive map on our Weather Wall.

Temperatures were down a few degrees today compared to the midweek heat, but probably not enough to notice. High pressure brought mostly sunny skies and a reduced rain and storm risk after a rainy week. The high pressure pattern should continue through Saturday, though the threat for thunderstorms re-emerges on Sunday.

Through Tonight: A low, lingering 10% chance of isolated thunderstorms remains as a ridge of high pressure builds over the region. This chance will disappear after the sun sets and daytime heating wanes. Partly to mostly cloudy skies should continue through the evening, as cumulus clouds have popped up across the region. Lows around 70 in the city and in the mid-60s in the suburbs. Expect light winds from the north-northeast.

Tomorrow (Saturday) and tomorrow night: A nice, albeit toasty, day tomorrow as high pressure kicks out the risk for rain. You can expect conditions similar to today, with mostly sunny skies and highs in the mid-to-upper 80s.  Humidity is moderate to high with winds out of the north-northeast at 5 t0 10 mph.  Partly cloudy and tranquil Saturday night, with lows in the low 70s downtown, with mid-60s elsewhere.

Sunday: Very warm and humid, as highs make a run at 90 or even into the low 90s.  There’s a 30 percent chance of late afternoon or evening thunderstorms; we have a fighting to chance to log yet another rain-free weekend.

See A. Camden Walker’s forecast through 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.

The sun sets over the Potomac River. (Brendan Lilly via Flickr)

The sun sets over the Potomac River. (Brendan Lilly via Flickr)

Pollen update: Tree, grass, and weed pollen is LOW. Mold spores continue to be HIGH.

The world's largest thermometer towers over the city of Baker, California. (AP)

The world’s largest thermometer towers over the city of Baker, California. (AP)

World’s largest thermometer back in action:  In case you’re feeling the need for some perspective on this summer heat, here’s news from Baker, California. The world’s largest thermometer has re-opened in the town, “reminding people in the middle of the Mojave Desert that it gets hot in the middle of the Mojave Desert,” as Dennis Mersereau cheekily puts it on Gawker’s weather blog, The Vane. The massive measuring tool was reopened on Thursday, July 10 — a date that holds some significance as the anniversary of the world’s hottest temperature set in Death Valley in 1913.

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