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Posted at 11:10 PM ET, 08/21/2009

PM Update: Evening Storms Rumble Through

By Ian Livingston

* Full Forecast | Outside Now? Radar, Temps & More: Weather Wall *
* Power Outage Maps: Pepco, Dominion, BGE *
* Big Waves Threaten Nearby Beaches | Hurricane Tracking Center *

More showers and storms are moving across the area this evening. Heavy downpours, gusty winds and dangerous lightning are possible as the storms come through. Earlier, our hot day was cut a bit short by early-afternoon thunderstorms that swept through parts of the area. Before the storms, highs generally made the low-and-mid 90s. Dulles has now gone a week straight with 90+, a somewhat rare occurrence for this late in the season.

Through Tonight: The risk of scattered showers and storms -- some containing heavy rain and gusty winds along with some lightning -- continues through late tonight. We stay muggy and overnight lows won't go too far, mainly in the low-to-mid 70s. Some fog is possible, too.

Tomorrow (Saturday): With a cold front moving into and through the area, there should be considerably more clouds all day tomorrow. Depending on how the front interacts with Hurricane Bill, passing well east out in the Atlantic, someone in the area could get a fair amount of rain. We'll call it unsettled for much of the day with a good chance of showers or storms, but lower odds than today that they'll be strong or severe. Highs probably won't surpass the mid-80s. Cooler and drier air may begin filtering in during the evening.

See Camden Walker's full forecast through the beginning of next week. And if you haven't already, join us on Facebook and follow us on Twitter.

By Ian Livingston  | August 21, 2009; 11:10 PM ET
Categories:  Forecasts  
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Next: SkinsCast, NatCast, UnitedCast: More Showers?

Comments

So for those of us tailgating in lot 8 for the DC United game (setting up early afternoon and there through game time) can we survive with ponchos or will the food be flying off the grills?

Posted by: goaldigger | August 21, 2009 4:23 PM | Report abuse

And the 94 at Dulles ties the daily record.

Posted by: CapitalClimate | August 21, 2009 5:30 PM | Report abuse

Another unusual occurrence:
The high and low (so far, at least) at National were only 29 minutes apart.

Posted by: CapitalClimate | August 21, 2009 5:47 PM | Report abuse

Severe storms moving into western Frederick and northern Montgomery.

Posted by: MKadyman | August 21, 2009 6:43 PM | Report abuse

Radar returns indicate the north side of D.C. has been hammered this afternoon, while the southside has received very little, and it continues at this hour.

Nothing here in the Valley, maybe tomorrow????

Posted by: AugustaJim | August 21, 2009 7:53 PM | Report abuse

While taking a walk in west end alexandria at 530pm, I saw rain in a cloudfree sky, and a nice rainbow

Posted by: pvogel88 | August 21, 2009 8:12 PM | Report abuse

Thunder, strong winds and heavy rain are finally starting in NW DC. Temperatures are quite cool and refreshing, especially for an August t-storm.

Posted by: Ann-CapitalWeatherGang | August 21, 2009 8:33 PM | Report abuse

Still dry here in NW Spotsy. Only .10" of rain since Aug 6th, unless we get some rain Sat., looks rainless thru next Thurs.

Posted by: VaTechBob | August 21, 2009 8:39 PM | Report abuse

Wooooooo! quick storm chase between Columbia, Ellicatt City, and a bit further NE. No tornado but a large wall cloud with rotation, also what might have been a funnel cloud but wasn't so impressive. Real nice vantage point too from my secret location. Hopefully I cought a good pic or two. Off to check!

Posted by: Brian-CapitalWeatherGang | August 21, 2009 8:42 PM | Report abuse

Meh. Negative on the pictures gang. I'm no Kevin!

Posted by: Brian-CapitalWeatherGang | August 21, 2009 8:51 PM | Report abuse

Awesome, Brian. Looking forward to seeing a photo.

Storm was relatively short-lived here in NW DC. Still cool, though.

Posted by: Ann-CapitalWeatherGang | August 21, 2009 8:53 PM | Report abuse

1.84 so far in NW Montgomery.

Posted by: MKadyman | August 21, 2009 9:06 PM | Report abuse

Wow, that was quite a long period of rain here in Sterling! It's been a long time since I've seen that much rain. I'm sure the plants will enjoy it.

71.6 right now after temperatures dropped sharply this afternoon.

Posted by: Sterlingva | August 21, 2009 9:09 PM | Report abuse

Great. Ruined my Friday evening plans.

Hope the weenies are happy.

Posted by: ThinkSpring | August 21, 2009 9:31 PM | Report abuse

Maybe LoudounGeek can stop whining about no rain in Eastern Loudoun now.

Posted by: amorris525 | August 21, 2009 9:54 PM | Report abuse

2.97" total for day thru 10:30 just south of Rockville. Looks like a little more on the way.

Posted by: DOG3521 | August 21, 2009 10:50 PM | Report abuse

I'm guessing at least 1.5" in Herndon since dinnertime - I haven't a real rain gauge, so have to guesstimate from a container on a level surface. right now we've got some thunder but slow steady rain - best kind, if rather undramatic.

Posted by: fsd50 | August 21, 2009 10:58 PM | Report abuse

I can still hear thunder in Merrifield, though it's dry as a bone here. The southern edge of the storm brushed over Fairfax City - it was incredible to see the edge of the dark, black, low cloud formation covering the northern horizon. Some of us stood in the parking lot of Wegman's on Monument Drive and stared at the storm, pretty spooked by it. Behind us, to the south, was a clear blue sky.

Posted by: --sg | August 21, 2009 11:01 PM | Report abuse

2.5 inches here on the Blue Ridge east of Front Royal. I thought we might miss out earlier when we only got some sprinkles this afternoon, but the rains came this evening.

High today 87.4F
Currently 66.9F

Posted by: spgass1 | August 21, 2009 11:11 PM | Report abuse

Seems to be no letup, even this late at night. Looking at radar to the SW, more storms.......it looks like the possibility of training storms all night long in Fairfax and Montgomery counties. Hurricane Bill is really holding up that cold front to the west.....it seems to be making little if any progress. Good thing many people don't have to work tomorrow....a lot of us aren't going to get much sleep tonight.

Posted by: MMCarhelp | August 21, 2009 11:39 PM | Report abuse

fsd50, I don't have a rain gauge either... since I'm not reporting stats for official reporting, IMO buying a rain gauge is not really necessary. Some buckets don't have a flat bottom or perfectly vertical sides, but to get a close approximation of rain, I don't see what's wrong with using containers. Hardcore weather geeks may disagree?

Posted by: spgass1 | August 21, 2009 11:53 PM | Report abuse

Thunder woke me up. Rain is just starting.

Posted by: Murre | August 22, 2009 4:36 AM | Report abuse

The comments to this entry are closed.

 
 
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