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Posted at 3:40 PM ET, 05/14/2009

PM Update: Showers and Thunderstorms Tonight

By Ian Livingston

Near 80 again on Friday; Unsettled weather continues

* For Parents, Weekend Rain is One Big Pain | Sunny Sunday Photos *

Clouds dominated the day today with just a few peeks of sunshine. A stiff south wind has brought in more warmth and humidity with highs rising mainly to the upper 70s and dew points close to the sticky 60 degree mark. As a cold front approaches the area, thoughts turn to showers and thunderstorms, most of which look to hold off till later this evening and overnight.

Radar: Latest regional radar loop shows movement of precipitation over past two hours. Powered by HAMweather. Refresh page to update. Click here to see radar bigger. Or see radar bigger on our Weather Wall.

Tonight: Showers and thunderstorms are likely, some of which could produce heavy rain. Rain should begin arriving in the area between 6 p.m. and 8 p.m. and then be scattered about through the night as the front stalls close by. Lows should be fairly uniform, within a few degrees of 60. Winds will remain gusty early (and within heavier showers or storms) while slowly subsiding as the night wears on.

Tomorrow (Friday): We'll start the day fairly cloudy and probably finish the same way, but there should be at least some periods of sunshine throughout the day. Some leftover showers are possible in the morning, and the afternoon may bring about some isolated to scattered thunderstorms. Highs should reach the upper 70s to near 80.

See Josh Larson'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  | May 14, 2009; 3:40 PM ET
Categories:  Forecasts  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: For Parents, Weekend Rain is One Big Pain
Next: NatCast: Mild & Muggy; Maybe a Thundershower


Several of the models are producing a somewhat thin band of pretty significant rainfall totals overnight. It's tough to say if it will occur that way or where exactly, but something to watch for as the front slowly sags in.

Posted by: Ian-CapitalWeatherGang | May 14, 2009 6:11 PM | Report abuse

Ian, NAM seems overdone to me, but I wouldn't be surprised if some isolated locations pick up (well?) over an inch of rain tonight...

Posted by: Josh-CapitalWeatherGang | May 14, 2009 6:55 PM | Report abuse

Centreville VA - Pouring hard here with a few isolated grumbles of thunder.

Posted by: FIREDRAGON47 | May 14, 2009 8:30 PM | Report abuse

Some lightning in that cell wsw of the district.

Posted by: Brian-CapitalWeatherGang | May 14, 2009 8:36 PM | Report abuse

No rain yet here around Baileys Crossroads, though the radar is particularly active to our N and W.

The extended forecast discussion still is mentioning the possibility of tropical/subtropical activity late next week in the Gulf of Mexico just west of Florida. Looks as though global warming could be back as we're still a good couple of weeks from the start of "normal" hurricane season. However the eastern Pacific hurricane season is due to start up this weekend, and the ITCZ is beginning to move north to just south of Costa Rica. I've yet to see a bona fide tropical wave in the Atlantic. The first such wave would kick in the 2009 hurricane season regardless of date.

Posted by: Bombo47jea | May 14, 2009 8:40 PM | Report abuse

Centreville VA update - Fluctuating heavy rain. Gusty winds. Lightning flashes & lots more thunder.

Posted by: FIREDRAGON47 | May 14, 2009 8:47 PM | Report abuse

We were supposed to go camping (with little kids) near Front Royal this weekend. We are thinking about postponing due to the weather. While we could handle a little rain, we definitely are more fair-weather campers. Is the Saturday rain looking significant?

Posted by: theberensons | May 14, 2009 9:01 PM | Report abuse

Heard some very faint thunder in upper NW DC. Brief burst of heavier rain, looks like main brunt just south of here with this little batch.

Posted by: Ian-CapitalWeatherGang | May 14, 2009 9:08 PM | Report abuse

The rain is over in Centreville. Unofficial measurement of close to an inch in less than 45 minutes. Watch out DC & points east here it comes.

Posted by: FIREDRAGON47 | May 14, 2009 9:11 PM | Report abuse

Of course the rain hit me just as I was getting out of the car. Got some nice lightning and thunder out here in Merrifield, but it's passed by now.

Posted by: --sg | May 14, 2009 9:29 PM | Report abuse

Tomorrow is Bike to Work Day (see 7500 people who don't usually ride their bikes to work will be on the roads. Rain can really degrade visibility, handling and braking on a bike. Even a wet road can be hazardous. Do you think the roads will be dry for the am and pm commutes?

Posted by: crankyfranky00 | May 14, 2009 9:33 PM | Report abuse

Very light thunder and light rain so far in Silver Spring.

Posted by: Murre | May 14, 2009 9:34 PM | Report abuse

What's the NATSCAST? I'm going tomorrow night

Posted by: CALSGR8 | May 14, 2009 9:54 PM | Report abuse

National Aiport picked up 1" of rain last hour with the thunderstorms moving through.

Posted by: Ian-CapitalWeatherGang | May 14, 2009 10:00 PM | Report abuse

Wow! West Springfield (Accotink Lk/Mixin'Bwl) got a fast 0.42" tonight before 10pm.

(Last two week total WITH this rain now up to 4.87".)

More to come tonight it seems!

Posted by: bikerjohn | May 14, 2009 10:09 PM | Report abuse

Bike to work day tomorrow!

(It's my name sake...I gotta tell eveyone!)

Posted by: bikerjohn | May 14, 2009 10:10 PM | Report abuse


NatCast is always posted the morning of the game.

Posted by: Jason-CapitalWeatherGang | May 14, 2009 10:20 PM | Report abuse

Looks like a good chance for snow in the District tonight. That's making this guy one happy, happy snow monster.

Is it legal to bike to work after a half keg of Old Milwaukee?

Ah, the flakes are flying in Eastern Market!

Posted by: SnowMonsterDC | May 14, 2009 10:27 PM | Report abuse

Very heavy rain just started in Lake thunder or lightning as yet...

Posted by: meta2 | May 14, 2009 10:45 PM | Report abuse

Thunderstorm with several periods of intermittent heavy rain began some time after my earlier post and lasted from ca. 8:45 to 9:30 PM. It has now tapered off to light rain or ceased altogether.

Posted by: Bombo47jea | May 14, 2009 11:08 PM | Report abuse

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