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Posted at 11:00 AM ET, 09/25/2009

Forecast: Rain on the Way for Saturday P.M.

By Camden Walker

Cooler with some clouds today; increasing sun Sunday

* NatCast | Lackluster Hurricane Season... Linked to D.C. Rain? *
* Outside Now? Radar, Temps, Clouds & More: Weather Wall *


Today: Mostly cloudy a.m. with a chance of a few showers. Some p.m. sun? 70s. | Tonight: Partly cloudy. Low-to-mid 50s. | Tomorrow: Mostly cloudy with p.m. rain likely. Mid-to-upper 60s. | Sunday: Chance of lingering a.m. showers. Then increasing sun. Mid-70s to near 80. | A Look Ahead | Get Express Forecast by E-mail


Where did today's clouds and chance of showers come from? You can blame a cold front stalled not too far to the south. You're sure to notice the cooler temperatures and lower humidity today into early next week. They come with a price, though, as rain threatens to dampen the latter part of Saturday and Saturday night. Can we at least salvage Sunday?...

Radar: Latest regional radar loop shows movement of precipitation over past two 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): Mostly cloudy skies are likely through the morning with a chance of a few showers, especially (but not limited to) south and west of town. Temperatures and humidity will be lower than we've seen recently. Some partial clearing is possible in the afternoon. With enough sun highs could pop into the upper 70s. Otherwise, they may only make the low 70s. Confidence: Low-Medium

Tonight: Under partly cloudy skies, lows should dip down to the mid-50s. Possibly some low 50s in the suburbs with enough breaks in the clouds. Confidence: Medium

Is summer gone for good? Keep reading for the forecast into early next week...

Tomorrow (Saturday): Rain is likely to move into the area from west to east sometime during the afternoon, with times of moderate to heavy reain possible during the late afternoon into evening. Temperatures will stay pretty cool underneath mostly cloudy skies, probably no higher than the mid-to-upper 60s. Afternoon breezes of 10-15 mph from the east, off the Bay, will add to the rawness. Mehh. Dank and cool! Confidence: Low-Medium

Tomorrow Night: Periods of moderate to heavy rain probably continue into the overnight before rain tapers from west to east toward morning. Lows in the upper 50s should be pretty uniform throughout the region. Many areas could easily see storm rainfall totals reach 1", with 2" not out of the question for some spots. Confidence: Medium

Sunday: Any lingering showers should be on their way out in the morning, giving way to a pretty nice day with increasing sun, comfortable humidity and highs in the mid-70s to near 80. Confidence: Medium


Mostly clear Sunday night with dry conditions. Lows around the upper 50s to low 60s. Confidence: Medium

Monday starts off sunny as increasing winds from the south try to push highs toward the 80-degree mark. A cold front sweeping through brings the likelihood of increased clouds for the afternoon and evening plus the chance of a shower or two. Confidence: Medium

The early outlook for Tuesday is for a breezy and cooler day with highs only in the 60s. Confidence: Medium

By Camden Walker  | September 25, 2009; 11:00 AM ET
Categories:  Forecasts  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: Natcast: Clearing Skies, Cooling Down
Next: Grading Our 2009 Summer Outlook


Man, you guys got fooled on this one. It is pouring right now in Tyson's. Wasn't today supposed to be a perfect fall day?

Posted by: Axel2 | September 25, 2009 7:26 AM | Report abuse

Yep, you guys blew this one. Yesterday afternoon weather guys said Friday would be a nice day. You'd think you could get it right less than 24 hours out.

Posted by: RB1019 | September 25, 2009 8:07 AM | Report abuse

What are you guys talking about? Both of yesterday's forecasts called for the chance of showers. This was from yesterday's PM update:

"Tomorrow (Friday): You will notice the cooler air as we close the work week tomorrow. We may see some sun, but if the front gets hung up close we could still see a fair amount of clouds and even a few showers. Highs should shoot for the mid-70s -- not too far from normal this time of year."

Maybe the TV guys blew it but the Cap Weather guys didn't.

Posted by: ana_b | September 25, 2009 8:14 AM | Report abuse

Easy guys capital weather is one of the most reliable weather sources out there! Compared to others they are extremely accurate!

Any chance tomorrow's rain moves out before Sunday morning? Or, am I just dreaming?

Posted by: snowlover | September 25, 2009 8:15 AM | Report abuse

This is a perfect fall day - would be more suitable for Monday though than Friday ~

Posted by: BritBobinHerndon | September 25, 2009 8:15 AM | Report abuse

@axel2 and RB1019

As anab mentioned, we had the chance of rain in our PM Update yesterday. And, as a matter of fact, in yesterday morning's forecast posted at 5am, we wrote: "A front stalled out to our south will remain close enough that heavy cloud cover and showers may not be too far away -- so the day falls short of the criteria for the "Nice Day Sun"... Confidence: Medium" This was when the National Weather Service was calling for "mostly sunny" skies. Admittedly, our headline said "stellar" for today, which I regret. Having said all of this, we may still get some sun later today as high pressure tries to work its way in.

Posted by: CapitalWeatherGang | September 25, 2009 8:25 AM | Report abuse

Just a reminder to all that it's quite easy to accurately critique our forecasts, as they are archived for eternity (well, at least the life of the Internet) here.

Posted by: CapitalWeatherGang | September 25, 2009 9:10 AM | Report abuse

Does all the rain today mean it will move out of here any faster tomorrow? :( I'm probably dreaming. I'm camping in Radford, VA this weekend and I'm trying to decide if we should just scrap the trip. Leaky tent and what.

Posted by: weatherface | September 25, 2009 11:52 AM | Report abuse

Personally? I didn't think it would rain as much as it did this morning. But I don't think my forecast or my teammates' "blew it" :-) And there is still possible breaks in the clouds later? Yeah, I know it's not a great weather Friday. But still warm-ish, right? :)

Posted by: Camden-CapitalWeatherGang | September 25, 2009 11:53 AM | Report abuse

weatherface:... i wouldn't want to camp this weekend. :-/ esp with a leaky tent

Posted by: Camden-CapitalWeatherGang | September 25, 2009 11:55 AM | Report abuse

As I posted last night, this rain is coming in for an important Saturday night dance @ Glen Echo...Once again the "much-needed-rain" crowd messes with my dance schedule!

I'm also getting no picture with TWC on Comcast, though the sound seems to be this Comcast's fault or my cable box??? Most of my other channels are OK.

Posted by: Bombo47jea | September 25, 2009 12:18 PM | Report abuse

24-hour temperature change map:

Posted by: Josh-CapitalWeatherGang | September 25, 2009 12:51 PM | Report abuse

ever heard on an umbrella, I hear they work wonders on keeping you dry

Posted by: asimo | September 25, 2009 2:53 PM | Report abuse

As one of those anxious members of the "much-needed rain" crowd, bring it on! As CWG reported, National Airport's precipitation is fully five inches below normal since July 1st. I am so grateful I had an irrigation system installed in my front yard this spring.

CWG, is it possible for you to illustrate for your readers a detailed graphic of the total rainfall for the metropolitan area, say June, July and August? Given the wide variation in reported precipitation with summer rain--even across relatively short distances--it would be quite revealing. Perhaps this might ease some of our anxiety, and get Bombo off our backs!

Tom in Michigan Park, DC

Posted by: TominMichiganPark | September 25, 2009 7:31 PM | Report abuse

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