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Posted at 11:25 AM ET, 05/28/2010

Forecast: Cooler & gray today, then slowly nicer

By Camden Walker

Weekend temps trend up as skies gradually clear

* Video: Angry weather caller | Cirrus & contrail display | StrasCast *
* Flash Flood Watch for Fauquier County & points west *
* Outside now? Radar, temps & more: Weather Wall | BeachCast *

Today's Daily Digit
 
A somewhat subjective rating of the day's weather, on a scale of 0 to 10.
 
4While I'm glad it's cooler, pesky p.m. showers may dampen outdoor plans -- on a holiday Friday! grr.
 
Get tomorrow's 'Digit' on Twitter tonight

EXPRESS FORECAST

Today: Mostly cloudy. Patchy p.m. showers with a 50% chance of storms. Mid-to-upper 70s. | Tonight: Mostly cloudy. 50% chance of showers/storms. Upper 50s to low 60s. | Tomorrow: 30% chance of showers. Mid-to-upper 70s. | Sunday: Partly to mostly sunny. Low-to-mid 80s. | A Look Ahead | Get Express Forecast by E-mail

FORECAST IN DETAIL

A. Camden WalkerA new air mass, courtesy of a "back door" cold front that came in from the north last night, gives us a cloudy and much cooler day than yesterday. While it won't be a washout, shower and storm chances may affect some afternoon and evening outdoor plans for those getting an early start to the holiday weekend. Clouds persist until sunshine makes a comeback Sunday along with warmer temperatures. Memorial Day looks "classic" in the sunny & hot sense, with highs threatening 90 again.


Radar: Latest D.C. area radar loop shows movement of precipitation over past three hours. Powered by HAMweather. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Today (Friday): A mostly cloudy and cool end to our week, Patchy showers may bother us during the afternoon. And by late afternoon we'll have a 50% chance of isolated to scattered thunderstorms popping, in addition to any showers. Highs in the mid-70s, maybe upper 70s in areas that see a few peeks of sun, will feel much less oppressive than yesterday's sweltering low 90s. But a little humidity may still stick around. Breezes should be light from the east/southeast. Confidence: Low-Medium

Thundercast:
Probability: 50%
Coverage: Isolated-Scattered

Tonight: Showers, and maybe a few thunderstorms during the evening, may still pester us from time to time (50% chance). So do take the umbrella if you'll be out and about. Skies likely remain mostly cloudy as breezes blow lightly from the southeast. Lows cool to the upper 50s outside the Beltway, perhaps low 60s downtown. Confidence: Medium

Want sunshine? Keep reading for the forecast into next week, including the holiday weekend beach forecast...


Lightning last night in Fairfax, Va. By CWG photographer Kevin Ambrose.

Tomorrow (Saturday): Clouds linger along with a 30% chance of some showers, maybe an afternoon thunderstorm. Hopefully the sun will break through at times during the afternoon as high pressure tries to build in, but that may be a slow process. Temperatures remain muted with highs in the mid-to-upper 70s. Confidence: Medium

Tomorrow Night: Partly cloudy with lows in the upper 50s to low 60s again. Confidence: Medium-High

Sunday: The outlook turns brighter Sunday as partly to mostly sunny skies boost highs to the low-to-mid 80s. Get out and enjoy what looks to be the most comfortable & pleasant day of the weekend! Confidence: Medium-High

A LOOK AHEAD

Mostly clear Sunday night with warmer overnight temperatures in the mid-to-upper 60s. Confidence: Medium

We heat things up again for Memorial Day with highs back to around 90 or maybe the low 90s. With the heat comes humidity and possibly a few afternoon/evening showers and thunderstorms. Wear the sunscreen, stay hydrated and plan to sweat! ugh. Confidence: Medium

Tuesday has a higher chance of showers and storms, but a little cooler with highs in the 80s.

BEACHCAST

The weather at the beaches is conspiring to keep you at work on Friday with partly sunny skies but a 40-50% chance of mainly afternoon showers and thunderstorms from Cape May south through the Maryland & Delaware beaches and down to Virginia Beach, and a lesser chance (20-30%) down at the Outer Banks. Highs in the upper 60s to near 70 from Cape May to Ocean City, and lower 70s for points south.

We can't seem to shake the clouds Saturday as showers and storms remain possible -- around a 30-40% chance up and down the mid-Atlantic coast. Northern sections -- from Cape May to around Ocean City -- have the best chance of seeing some afternoon breaks of sun as high pressure tries to build in. Nobody's warm as onshore breezes, off waters that are still only in the 60s, keep highs in the upper 60s, except low 70s likely from Virginia Beach toward points south.

Sunday is a marked improvement up and down the coast with partly to mostly sunny skies and highs in the low-to-mid 70s from Cape May to Ocean City, and mid-70s to near 80 for Virginia Beach and the Outer Banks.

Memorial Day will make you wish for another week of vacation with mostly uniform highs in the upper 70s to low 80s. An intense sun will require plenty of the high SPF lotion for any tanning.

Good news is ocean temps are warmer than average this year, so hitting the surf won't be too painful if you're so brave. Waves will be potent reaching heights of 3 to 5 feet in most areas through the weekend, so be careful. Have a great holiday weekend! -David Streit and Dan Stillman

By Camden Walker  | May 28, 2010; 11:25 AM ET
Categories:  Forecasts  
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Comments

Whale of a storm last night. Fairly small hail but it lasted a while. Add another inch of rain to the books. Dulles is now a half inch above normal for the year.

Posted by: ThinkSpring | May 28, 2010 7:25 AM | Report abuse

Measured 2.5" via buckets this morning...

Posted by: spgass1 | May 28, 2010 7:49 AM | Report abuse

Any word on winds tomorrow for those of us that might want to be on the water (inland -- not coastal)? I assume light since they got no mention...

Thanks!

Posted by: mrwrinkle | May 28, 2010 10:23 AM | Report abuse

Diddly-squat for rain in my neighborhood in DC last night; barely enough to wet the pavement! Arrgghh!

Heard rolling thunder for quite some time, with an incredible lightning show around 2 am without any precipitation.

Most unfortunately, my rain gauges had, literally, one trickling drop in them. Radar appeared to split as it moved east.

Perhaps if I stop hoping for rain, we will then be blessed with lots of it!

Posted by: TominMichiganParkDC | May 28, 2010 10:43 AM | Report abuse

The skies opened up over Fort Washington/Oxon Hill at about 11:30. I don't know if there was hail, but the rain pounded the roof for a good hour.

Posted by: mhardy1 | May 28, 2010 10:46 AM | Report abuse

I can't believe I slept through the thunderstorms in Fairfax last night! I am feeling rather cheated today because of it. Let that be a lesson to me to never go to bed early!

Posted by: --sg | May 28, 2010 12:48 PM | Report abuse

Thanks everyone for your reports!

Posted by: Camden-CapitalWeatherGang | May 28, 2010 12:58 PM | Report abuse

mrwrinkle - wind will be nominal. I think you made the correct assumption, when I didn't mention it :-)

TominMichiganParkDC - just to your south I was in Convention Center area and it poured last night. mulch is all over the sidewalks!

Posted by: Camden-CapitalWeatherGang | May 28, 2010 1:01 PM | Report abuse

Noisy for awhile here (Takoma Park/SS) around 2 a.m., but only registered .10"

Posted by: steske | May 28, 2010 1:49 PM | Report abuse

Columbia Heights West, SW Arlington...quite a display of lightning and thunder between 11 PM and midnight, but little rain to show for it. Seems the storm fizzled out as it reached us. Thus far today...cloudy but rather dry; not the washout threatened us today by the MNR crowd so far...

Posted by: Bombo47jea | May 28, 2010 1:52 PM | Report abuse

CWG,
i was pretty specific on monday in putting my order in for NO RAIN this afternoon/evening.... and camden, i believe it was, acknowledged having received the order. now, it's looking dicey... it's not like i'm asking for "perfect" sunny weather. cloudy is just fine....but no rain.

so what are my chances?

Posted by: walter-in-fallschurch | May 28, 2010 2:26 PM | Report abuse

CWG, does it still look like we are going to see rain during the next 12-24 hours -- hoping for no rain!!!

Posted by: snowlover | May 28, 2010 2:40 PM | Report abuse

Oh come on snowlover, it's just liquid snow. ;)

Posted by: mhardy1 | May 28, 2010 2:49 PM | Report abuse

@walter-in-falls-church

I'd say you might skate by for the afternoon. But all bets are off once we get past 6 p.m. or so. More coming in PM Update. -Dan, CWG

Posted by: CapitalWeatherGang | May 28, 2010 2:53 PM | Report abuse

dan,
hhhmmmm. 6 is right about when i'd like to have it NOT raining.

mhardy1,
well...i only ordered "no rain"...so i suppose that could be snow. i'd definitely take THAT! i bet snowlover would too!

Posted by: walter-in-fallschurch | May 28, 2010 3:10 PM | Report abuse

Mhardy1, Glad to see you on the board today.
I want to publicly apologize for how testy I was with you during the storms this past winter. I had no idea the situation you were dealing with and was a bit grumpy with cabin fever setting in. Again, sorry for the harshness. Dan

Posted by: dprats21 | May 28, 2010 4:28 PM | Report abuse

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