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Posted at 6:40 PM ET, 05/29/2010

Forecast: Hot heading into Memorial Day

By Jason Samenow

* Don't Fry Day | A cirrus and contrail display | UnitedCast *
* Outside now? Radar, temps & more: Weather Wall *

Today's Daily Digit
A somewhat subjective rating of the day's weather, on a scale of 0 to 10.
4Cloudy and showery -- sub par start to holiday weekend.
Get tomorrow's 'Digit' on Twitter tonight


Today: Chance of showers & t'showers this afternoon. 75-80. | Tonight: Chance of isolated shower. 62-67. | Tomorrow: Partly to mostly sunny, and very warm. 85-90. | A Look Ahead | Get Express Forecast by E-mail


Clouds and the chance of afternoon showers mark an underwhelming start to the holiday weekend. On the bright side, we get this gloomy stuff out of our system today, paving the way for drier air and considerable sunshine tomorrow and Memorial Day. But it does turn hot with temperatures up around 90 with increasing humidity.

Radar: Latest regional radar 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 (Saturday): A stalled front over the region acts a focusing mechanism for occasional scattered showers today (40-50% chance). The highest chance of showers arrives late this afternoon when there could be a rumble of thunder. We won't see much sunshine, so highs hold mostly in the mid-to-upper 70s. Confidence: Medium-High

Tonight: A chance of an isolated shower or thundershower through evening with partly to mostly cloudy skies through the overnight. Lows fall to 62-67 (suburbs-city). Confidence: Medium-High

Keep reading for the forecast through early next week...

Tomorrow (Sunday): At least partial sunshine returns as weak high pressure moves over the region. Temperatures head sharply upwards, reaching the mid-to-upper 80s in the afternoon. This warmth will be accompanied by moderate humidity levels and light winds, from the northwest at around 5 mph. Confidence: Medium-High

Tomorrow Night: Despite mostly clear skies, the warm air mass over the region keeps temps on the mild side. Lows only dip to the mid-60s in the cooler suburbs to near 70 downtown. Confidence: Medium-High


It's going to be a hot Memorial Day. Flow from the south and sunny skies send the mercury up to around 90. An isolated thunderstorm can't be ruled out mainly west (20% chance) but most spots stay dry. Partly cloudy and stick Monday night, with lows 68-74 (suburbs to city). Confidence: Medium-High

Tuesday will likely be very warm and humid. There's a solid chance (60%) of showers and thunderstorms as a cold front approaches the region. Highs should reach the upper 80s. Confidence: Medium

By Jason Samenow  | May 29, 2010; 6:40 PM ET
Categories:  Forecasts  
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I'm seeing monster sunshine in Centreville this morning. Will it cloud up later, or have things upstairs changed?

Posted by: FIREDRAGON47 | May 29, 2010 8:43 AM | Report abuse

Rain fell at a pretty good clip last night. How much? .97". This puts us above the average for May. I measure 3.98 for may (in S. Arlington). The may average is 3.34, i think. National probably has us lower maybe even below average. A few more days to add to the May total, though.

Posted by: jojo2008 | May 29, 2010 10:23 AM | Report abuse

The May average for National Airport is 3.82". Even with showers the past two days, the month remains below-normal, with DCA recording only 2.30".

Had dinner in Dupont last night, grateful for the showers that came through. Unfortunately, when I arrived home in Michigan Park, the ground was dry. That part of the District missed out completely on ALL of the rain over the past two days!!! Send it our way!

Posted by: TominMichiganParkDC | May 29, 2010 1:30 PM | Report abuse

Rather sunny now...thunderstorm later???...After last night here in Columbia Heights West, I can't believe the MNR crowd is still whining "rain deficit"...everything seems nice and wet to me!

Radar currently appears to show action well to our SW and over Delaware.

Where are you, jojo2008? I'm at 8th Rd. South and Florida St...must have had at least 0.75 inch of rain here, possibly an inch or more. Hard to believe Michigan Park/DC is getting nothing...but got very little rain Thursday night for all the flash and bang we had. There was little wind or other damage, and, fortunately no hail. Power stayed on, too.

Posted by: Bombo47jea | May 29, 2010 3:10 PM | Report abuse

That's correct, Bombo, just a trace of rain in Michigan Park/DC over the past two days.

The closest WeatherBug station (Children's Hospital, 1.37 miles away), recorded somewhat more, only .15" on Thursday and even less, .01", last night. Highly illustrative of the variability of thunderstorms. Not exactly sure of So. Arlington's distance to National, but much the same pattern, with your report suggesting far more than at DCA.

Thus, as lead whiner of the MNR crowd, I will continue to plead for rain!

Posted by: TominMichiganParkDC | May 29, 2010 5:15 PM | Report abuse

It got a bit gross when the sun came out. I guess summer is here..

Posted by: Ian-CapitalWeatherGang | May 29, 2010 5:47 PM | Report abuse

Well--turned out to be a nicer day than I thought. Showers were few and far between and the sun emerged nicely late this afternoon.

Posted by: Jason-CapitalWeatherGang | May 29, 2010 6:53 PM | Report abuse

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Posted by: itkonlyyou88 | May 29, 2010 7:59 PM | Report abuse

General Chuck Yeager & I maneuvered (safely) in a tail dragger prop plane through the clouds and the terrain over the Sierras to visit our friend. Amazing flight. I could understand how he was one of a very few who did not abort on a stormy, cloudy, low vis day, on March 4, 1944 - the first daylight raid on Berlin during World War II. We landed and then jumped in a Citation jet to take a friend home due to an emergency.

Posted by: VictoriaYeager | May 29, 2010 9:24 PM | Report abuse

I'm in the Alcova heights area of arlington. Right by the fire station on 5th st & glebe. I've got an old fashioned rectangular rain gauge. I used to think, "why are we getting so much rain and national doesn't get any?" Now, I'm not surprised anymore.

Posted by: jojo2008 | May 29, 2010 10:29 PM | Report abuse

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