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Posted at 8:40 AM ET, 05/ 7/2009

Forecast: Rain Chances Run Rampant

By Josh Larson

Sun at times though; milder

* Weather & Swine Flu | Later: Greensburg, 2 Years After Tornado *


Today: Mostly cloudy; milder. Showers? Upper 70s. | Tonight: Mostly cloudy; shower? Upper 50s. | Tomorrow: Partly sunny. PM storm? Near 80. | Tomorrow Night: Mostly cloudy. Shower? Low 60s. A Look Ahead


Though weather over the coming days will not feature the all-out cloudy, rainy and cool conditions we've seen over the past several days, a rather unsettled atmospheric pattern will still allow for plenty of clouds to linger along with the chance for scattered showers and thunderstorms today through Saturday. But partly sunny skies, especially today and Friday will allow temperatures to soar to near 80 -- a far cry from the highs in the 50s & 60s we've seen over the past few days. Still, it would be a good idea to make sure your umbrella stays close by.

Today (Thursday): Though much of the day (especially the morning hours) will feature mostly cloudy skies and even though scattered showers and thundershowers (50% chance) are possible throughout the day (primarily over the eastern half of the region), we'll see just enough sun at times, along with southwesterly winds of 10 to 15mph, to allow temperatures to soar into the upper 70s to near 80. Confidence: Medium

Tonight: Expect more in the way of cloudiness than clear skies tonight, along with scattered thundershowers (30% chance). Fog, especially after midnight, is quite possible due to a lot of low-level moisture. Overnight lows will drop to the low 60s. Confidence: Medium

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

Tomorrow (Friday): The weather on Friday will rather closely mimic today's conditions. Expect mostly cloudy skies (though with some occasional partial sunshine) and a 40% chance for scattered showers and thunderstorms, primarily during the afternoon and evening hours. A few thunderstorms may be of the heavy, gusty variety. Depending primarily on how much sunshine we see afternoon highs could range anywhere from the upper 70s to the mid-80s. I think 80 will about do it. Confidence: Medium

Tomorrow Night: You'll want to have an umbrella handy if you're going out Friday evening as scattered showers and an isolated thunderstorm (40% chance) are still on the menu. Mostly cloudy skies will hold overnight lows in the low 60s. Confidence: Medium


I wish I could offer sunshine and dry conditions on Saturday but it doesn't look like that's in the cards. In fact, conditions will be remarkably similar to those on Thursday and Friday. Expect continued mostly cloudy skies (with occasional periods of partial sunshine) and a 60% chance of scattered showers and possibly gusty thunderstorms -- once again focused in the second half of the day. Afternoon highs will top out again in the upper 70s to near 80. A few lingering showers are possible Saturday night with overnight lows in the upper 50s. Confidence: Medium

The good news -- especially for moms -- is that forecast for Sunday (Mother's Day) looks altogether different, with high pressure building over the area and good chance for finally mostly sunny skies. It won't be quite as mild, though, with afternoon highs dropping back to the low 70s. It will be partly cloudy and cooler Sunday night with lows dropping to chillier values in the low 70s. Confidence: Medium-high

The outlook for Monday is for partly to mostly sunny skies and pleasantly cool afternoon highs in the upper 60s with dry conditions anticipated . Overnight lows will continue on the chilly side: near 50 in many spots. Confidence: Medium

By Josh Larson  | May 7, 2009; 8:40 AM ET
Categories:  Forecasts  
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Next: A Greener Greensburg Two Years After Tornado


How much rain have we had in DC/MD since last Thursday? I can't find the totals anywhere.

Posted by: jackdmom | May 7, 2009 7:40 AM | Report abuse


We're compiling that information (re: rainfall as we speak) and will post the info later this morning.

Posted by: Jason-CapitalWeatherGang | May 7, 2009 7:46 AM | Report abuse

Up in Columbia, counting today at the time of posting, we've had 2.31" in the past 9 days, where 4/30 was the only day without measurable rain.

Posted by: MaltyCharacter | May 7, 2009 8:33 AM | Report abuse


Since our streak began on April 29 of at lest a trace of rain every day since (except for BWI which recorded nada on April 30), the totals area... National Airport: 2.80"; Dulles Airport: 3.1"; BWI Airport: 3.41"

We'll have a full drought update post tomorrow.

Posted by: Dan-CapitalWeatherGang | May 7, 2009 9:04 AM | Report abuse

how many consecutive days of rain have we had in the Metro area? what is the record?

Posted by: cmooney1 | May 7, 2009 9:05 AM | Report abuse

Please make it stop. The clouds are so thick right now I am losing hope for any sun today.

I officially no longer feel bad for complaining about all this rain. I had been telling myself "yeah yeah, but the plants need it, blah blah blah," but currently our CSA farmer is getting really nervous. He hasn't been able to plant in two or three weeks now because the ground is too wet, and the seedlings he needs to put in (e.g. eggplants and tomatoes) can't tolerate this kind of constant rain and cloudiness. The growing season for these crops is getting very delayed at this point, and ultimately possibly shortened.

Posted by: LaurainNWDC | May 7, 2009 10:02 AM | Report abuse

If you're in Bull Run CSA, fuhgeddaboutit. He's always coming up with some excuse or another about why there's no produce. Rain, drought, deer, bears, bees, pestilence, whatever.

Posted by: Section406 | May 7, 2009 11:27 AM | Report abuse

I just postponed my 2 PM medical appointment to 5/21 due to this new batch of rain/thunderstorms? moving in from the SW...I thought it was supposed to be mainly dry during the day today!

Sterling is calling for heavier thunderstorms tomorrow...could be severe to our S & E... due to favorable upper-air winds. Things don't look good for the expensive Elks Lodge dance, though VIP Dances reports good advance sales. Weather patterns tomorrow are favoring the Natty Beaux swing dance @ Chevy Chase Ballroom.

Posted by: Bombo47jea | May 7, 2009 11:40 AM | Report abuse

Daily/weekly precipitation and drought update are here (no thanks to Comcr@p and Verizon).

Posted by: CapitalClimate | May 7, 2009 11:50 AM | Report abuse

For all the rain-complainers, you have very short memories. We're still a long way from May 2003, which was almost 200% of average for the month, had 0 clear days, 27 cloudy days, and 20 days with measurable rain, 15 with 0.1" or more.

Posted by: CapitalClimate | May 7, 2009 11:58 AM | Report abuse

Yes, I remember the whole summer of 2003 was mostly lost with a lot of below normal tepms and rainy and damp weather. I hope we're not heading for that again...Actually, was looking in old weather diaries I used to keep and this weather we are having is really not all that unusual for this time of year. Seems like the patten becomes more summery around mid-May.

Posted by: steske | May 7, 2009 12:34 PM | Report abuse

I remember May 2003 all too well. It was ten times worse than this--think downpours pretty much every day and no sun. At all. For the whole month. That fortunately doesn't seem to be the case here--looking forward to seeing the sun again this weekend!!

Posted by: chrissi3455 | May 7, 2009 12:54 PM | Report abuse

Section406, seems like there's always produce though, one way or the other! I'd say they're not excuses so much as they are his enjoying having an audience ready to listen to him complain.

But seriously though, the lack of sunlight can't be good for seedlings. Drought is no good either, but a little balance would be nice.

Posted by: LaurainNWDC | May 7, 2009 1:35 PM | Report abuse

capital climate, can't one complain about this current rainy season while also remembering 2003?

Posted by: LaurainNWDC | May 7, 2009 1:38 PM | Report abuse

For all the rain-complainers, you have very short memories. We're still a long way from May 2003, which was almost 200% of average for the month, had 0 clear days, 27 cloudy days, and 20 days with measurable rain, 15 with 0.1" or more.

Sorry for not remembering the daily weather 6 years ago...

Posted by: Axel2 | May 7, 2009 1:57 PM | Report abuse

1. There is lightning and thunder south of me right now, and

2. The sun is coming out! Blue skies coming in overhead!

Posted by: LaurainNWDC | May 7, 2009 1:59 PM | Report abuse

rain gauge is up to 3 inches ..... I haven't emptied it since last weekend ....

Posted by: weathergrrl | May 7, 2009 2:22 PM | Report abuse

May 2003 finished the month with 19 straight days below average, followed by another 10 in the beginning of June. It didn't reach 90° until June 24.

Posted by: CapitalClimate | May 7, 2009 3:00 PM | Report abuse

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