* Pepco outage map | News story: Fierce storms rake Washington area *

BREAKING, 10:30 p.m.: PG Co. Fire Chief, Marc Bashoor, has tweeted an apartment complex had its roof blown off and additional residences were damaged in Bladensburg, Md. A microburst is thought to be the cause. A large number of residents , possibly hundreds, may be displaced. Bladensburg High School is being opened as a shelter.

He said: “will take time to sort details - more than a dozen multi-family buildings significantly damaged - at least 1 single family home”

UPDATE, STORM WRAP-UP, 8:45 p.m.: The final line of light to moderate showers is moving through metro region. But between about 6:00 and 8:15 p.m. this evening, the storms packed quite a punch, especially as they passed through western Loudoun county, Bethesda, Chevy Chase, the northern half of the District, and north central Prince George’s county where there were wind gusts over 60 mph, downed trees, and reports of hail. At this time, about 45,000 customers are without power according to Pepco. This is the last update of the evening, but watch the Twitter feed below (@capitalweather) for any additional breaking news and washingtonpost.com for related news stories.

PICTURES/VIDEO:Downed tree on house in Brookland NE DC | Hail in Landover, Md | Hail Mt. Ranier | Downed tree in Takoma Park | Another downed tree in Takoma Park | Downed tree on 13th St. between Clifton and Euclid in D.C. | Downed tree in Mt. Pleasant | Downed tree in Potomac, Md. | Rainbow, South Riding | Shelf cloud approaching Warrenton | Select WeatherBug rainfall totals | Video of storm in Bethesda

UPDATE, 8:30 p.m.: Severe storm in Prince George’s county weakening as it moves into Anne Arundel county. No severe thunderstorm warnings are presently in effect. In addition, the Severe Thunderstorm watch has been discontinued except for southern Maryland, where it will expire at 9 p.m.

UPDATE, 8:15 p.m.: Severe storms continue in north central Prince George’s county in the vicinity of Lanham and Landover, moving E/SE. A winds gust of 64 mph was reported near the National Arboretum at 7:53 p.m.

UPDATE 8:05: Pepco indicates about 35,000 customers without power, primarily in NW D.C. and N Prince George’s county.

UPDATE 7:55 p.m.: Widespread reports of hail from these storms in Bethesda, Chevy Chase & Takoma Park. Damaging winds have also been reported, including a gust of 63 mph measured by a NWS employee in Silver Spring.


Overview from 4:55 p.m., :A severe thunderstorm watch remains in effect through 9 p.m. As a cold front passes through the region later this evening, some gusty showers and storms may pass by. The front paves the way for drier and somewhat cooler conditions this weekend.


Through Tonight: Early this evening (before 6 p.m.), the passage of a pre-frontal trough brings some thunderstorms mainly to southern Maryland and the northern neck of Virginia. That starts the arrival of cooler and drier air. Then, the actual cold front comes through between 5 p.m. and 11 p.m. (from west to east), triggering some more scattered showers and storms (40-50 percent chance) with heavy rain and lightning. A few of these storms may contain damaging winds. After midnight, slow clearing begins. Overnight lows range from 63-70 (suburbs-city).

Saturday’s a great pool or beach day. While it’s very warm, with highs climbing into the upper 80s, humidity levels gradually drop to comfortable levels (dew points into the mid-to-upper 50s). We have a nice breeze from the north at around 10 mph to boot. Saturday night is mostly clear and pleasant, with lows 58-67 (suburbs-city).

Sunday’s not too shabby either. It’s partly to mostly sunny (some high clouds increase in the afternoon) and warm, with moderate humidity (dew points 60-65). Highs range from 85-90, with winds becoming from the south at 5-10 mph.

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.Keep reading for earlier severe storm updates...

Expired storm updates

UPDATE, 7:55 p.m.: New Severe Thunderstorm warning through 8:30 for the District (especially northern half), SE Montgomery County, northern Prince George’s county and central Anne Arundel county.

UPDATE, 7:40 p.m.: Twitter report of ping pong size hail in NW D.C.

UPDATE, 7:35 p.m.: Severe thunderstorm warning for northern Washington, D.C., SE Montgomery, NW Prince George’s & S Howard co thru 8:15. Lightning, damaging winds, hail and torrential rain are main hazards. In severe storm path: Bethesda, Silver Spring, Takoma Park, New Carrollton

UPDATE, 7:00 p.m.:The line of storms with a history of severe weather in Loudoun County is advancing into Fairfax and southern Montgomery counties: Severe thunderstorm warnings for W Fairfax, SE Loudoun & SW Montgomery thru 7:45. Winds to 60 mph poss. Locations in path of severe storm: Ashburn, Dulles, Chantilly, Herndon, Reston & Great Falls. Also, be on alert for dangerous lightning and very heavy rain.

UPDATE, 6:10 p.m.:A line of severe storms is moving into western Loudoun county. A severe thunderstorm warning is in effect for most of Loudoun county through 7 p.m. This storm has a history of producing damaging winds and small hail. Radar indicates damaging winds exceeding 50-60 mph are possible. Storm to affect Leesburg starting around 6:30-6:45 p.m. This line of storms - if it holds together - could affect metro D.C. between 7:30-9:30 p.m.