The Washington Post

PM Update: Humid Saturday with PM rain chance; few showers Sunday, heating up some

Our hiatus from the heat extended for a third day, with no 90-degree readings in the region today. Same deal Saturday, when clouds and possible afternoon showers put a lid on temperatures. Aside from the timing of the rain - which could complicate/disrupt outdoor plans - the water is welcome. By Sunday, the rain retreats and the heat is back.

Through Tonight: Incoming winds from the south push humidity levels upward. They also increase the clouds. All of these factors make it muggy, with lows in the upper 60s in the cooler suburbs to the mid-70s downtown.

Tomorrow (Saturday): It’s quite the sticky day. Moist tropical flow lifts dew points as high as the mid-70s and any sunshine will make it feel uncomfortable. Best chance for any sunny intervals spans from the morning through early afternoon. By mid-to-late afternoon, clouds should become dominant and some showers and thunderstorms may develop (40-50 percent chance). Like the last several days, highs depend on how much sun we get - ranging from the mid-80s to near 90.

The likelihood of shower and thundershowers increases Saturday night to near 60% as an area of low pressure comes through, and some heavy rain can’t be ruled out given the tropical airmass. It’s very humid, with lows ranging from 72-78.

Sunday: The area of low pressure will only gradually clear the area, leaving open the possibility of lingering showers and storms, especially along and east of I-95 during the afternoon (30% chance). At least partial sunshine is still likely at times, particulary west of I-95. Warmer air sneaking in from the southwest probably sends temperatures back into the 90-95 degree range.

See Camden Walker’s forecast through early next week. And if you haven’t already, join us on Facebook and follow us on Twitter

Pollen update: Walter Reed reports grass pollen and mold spores are MODERATE, with weed and tree pollen LOW.

Charlotte, NC flood: Torrential rainfall rates of more than 2” per hour and totals exceeding 5 inches, have caused major flash flooding this afternoon in the Queen City. CNN reports the deluge prompted rescue operations and the evacuation of at least two neighborhoods. See this flood photo collection aggregated from Twitter. Follow Twitter feed @wxbrad for the latest.

Incredible photo, if it’s real: CWG’s Steve Tracton directed my attention to a phenomenal photo in a Yahoo gallery. But is it legit? You decide... Click through to image #2 here.

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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