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Posted at 8:30 AM ET, 04/14/2009

Forecast: Rain, Rain, Rain

By Matt Rogers

Is this our D.C. drought bail-out?

* Reporting on Climate Extremes | Later: The Cutoff Low *


Today: Rain. 49-53. | Tonight: More rain. 41-44.| Tomorrow: Yet more rain. 49-53.| A Look Ahead


Our current rainfall budget deficit for 2009 at Washington Reagan National (DCA) is about four inches. April showers today, tonight, and tomorrow could collectively work to cut that shortfall in half - or at least by a quarter. If only the economy were that easy! Unfortunately, the rains will not be easy on commuters as occasional heavy periods will put strains on travel and dry clothing (especially tomorrow). Clearing arrives late tomorrow night and the stage is set for a much warmer end-of-week.

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.

Today (Tuesday): Well below normal temperatures will accompany occasional rain and drizzle today. Look for highs in the upper 40s to lower 50s. Rainfall will generally be light, by factoring in what fell overnight, the rainfall tally should approach 0.5" to 0.75". A healthy start! Confidence: High

Tonight: Occasional rain or drizzle continues with up 0.1-0.25" possible. Look for cloudy and cool conditions down into the lower 40s. Confidence: Medium-High

Keep reading for the forecast through the weekend...

Tomorrow (Wednesday): More rain is in the forecast and we could see it heavy at times with a chance to pile up another .5" to 1.0" of liquid. Our final tally from this storm should reach 1-2" or one quarter to half of our current 2009 rainfall deficit. Look for very cool highs again with upper 40s to lower 50s along with cool breezes from the east. Confidence: Medium

Tomorrow Night: Cloudy and cool with lows in the upper 30s to lower 40s. Confidence: Medium


Thursday returns the sun to our area with highs in the much more comfortable lower 60s with light breezes from the north. A nice day overall. Confidence: Medium

Friday is working hard to out-do Thursday with even MORE sunshine and warmer temperatures. The 70-degree mark is the target today. Confidence: Medium

The weekend is looking mixed with a wonderful start and a cooler finish. Saturday could see a real run toward the middle 70s with bountiful sunshine around the area, while Sunday returns clouds, showers, and cooler temperatures in the upper 50s to near 60. At least it may take another slash at our rainfall deficit. Confidence: Low-Medium

By Matt Rogers  | April 14, 2009; 8:30 AM ET
Categories:  Forecasts  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: PM Update: More Needed Rain Arrives Tonight
Next: The Cutoff Low - Quenching our Thirst


Think about it this way: if you lived in a region where it was sunny and pleasant every day, there would likely be no trees, no grass, no animals, no birds... basically, a desert. Sometimes, we need the rain.

Posted by: KBurchfiel | April 14, 2009 6:31 AM | Report abuse

.75" in the rain gauge already this morning.

Posted by: Etta- | April 14, 2009 8:41 AM | Report abuse

I definitely have my doubts about how much more rain we will get today... anyone else want to way in?

Posted by: wecndo | April 14, 2009 9:06 AM | Report abuse

Hi wecndo, this lull should last through lunch, but then light rain and drizzle should build back in during the afternoon. It might get heavier toward late afternoon again. Already we see more showers moving up along the Appalachians in our general direction.

Posted by: MattRogers | April 14, 2009 10:15 AM | Report abuse

I am predicting a record amount of rainfall this year.

Posted by: eheadwest | April 14, 2009 10:25 AM | Report abuse

Thanks Matt for prompting an early morning chuckle!

As you suggest, it would be wonderful if economical revitalization could be as simplistic as drought deficit mitigation following copious rainfall.

Unfortunately, receiving copious rainfall during a drought can sometimes be as elusive as agreement regarding desirable recession recovery economic policy within a gathering of conservative and liberal economists.

24 hours ago., the preponderance of qpf guidance suggested that my area would receive at least .50" of rainfall by this juncture. I have received .09". 19% of expectation.

One must hope that the preponderance of economic guidance controlling the national agenda will enjoy a higher success ratio.

47 degrees and cloudy at 10:30.

Posted by: AugustaJim | April 14, 2009 10:31 AM | Report abuse

I hear you, AugustaJim. So far, the airport (DCA) has picked up .42" from this system. I suspect typical afternoon instability will allow the rains to fill back in again and stimulate our original forecast. But as you report, precipitation forecasting is challenging, because it is far less uniform than temperature.

Posted by: MattRogers | April 14, 2009 11:24 AM | Report abuse

All the same, I'm sick and tired of all the raw crud and wintry wind we've been getting this "spring" [if that's what you prefer to call it!]. We're way overdue for a string of 65 degree highs or higher!!!

This morning's clouds have consisted mainly of nimbostratus diminishing to stratus/stratocumulus. Easterly flow looks likely for the next 24-48 hours.

Frankly it's downright objectionable to have to deal with "boring forties" this late into April. It's about time to begin wearing the short-sleeved shirts.

Posted by: Bombo47jea | April 14, 2009 11:59 AM | Report abuse

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