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Posted at 10:00 AM ET, 04/22/2009

Forecast: Cool Showers, But Warmth Edges Closer

By Jason Samenow

Sun and 80s by the weekend

* NatCast: Wet again? | UnitedCast | Changes in Hurricane Scale *
* Later, in Honor of Earth Day: Weather and the Environment, and Andrew Freedman Live Chat on Climate Change (11 a.m.) *

EXPRESS FORECAST

Today: Partly to mostly cloudy, 40% chance of showers. 58-62. | Tonight: Partly cloudy and cool. Mid-30s to low 40s. | Tomorrow: Mostly sunny. 60-65. | A Look Ahead

FORECAST IN DETAIL

For the better part of April, the weather struggles to get into a groove, alternating between cloudy, cool, and wet, and dry and warm. Over the next several days, the month will go through one of its characteristic mood swings, evolving from today's clouds and sub-60 degree temperatures to the weekend's sunshine and mid-80s.

Radar: Latest D.C. area 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 (Wednesday): Turn back the clock a month and today's weather would seem pretty typical. The chilly breeze (from the west at 10-15 mph), the clouds, and the temperatures struggling to hit 60 will definitely give the day a March-like feel. Some scattered showers (and an isolated thundershower, capable of producing small hail) may develop (40% chance), especially in the afternoon. Confidence: Medium-High

Tonight: Any shower activity should end before 10 p.m., followed by clearing skies. Lows will range from the mid-30s (colder suburbs) to near 40 (downtown) Confidence: Medium-High

Keep reading for the forecast through the weekend...

Tomorrow (Thursday): Our warming trend commences. Though the morning will begin with a chill (near 40), with sunshine in abundance highs should reach 60-65. Winds from the west will blow at about 10 mph.Confidence: Medium-High

Tomorrow Night: Clear, cool, and calm overnight, with lows from the upper 30s to the mid-40s (suburbs-city). Confidence: High

A LOOK AHEAD

Our warming trend kicks into high gear on Friday as flow from the south takes over. Afternoon highs will climb into the mid-70s -- under sunny skies. Mostly clear overnight, with lows in the upper 40s to mid-50s (suburbs-city). Confidence: Medium-High

Our warming trend climaxes over the weekend with savory sunshine (with some clouds mixed in) and soaring summer-like temperatures. Highs both days will be in the low-to-mid 80s with overnight lows in the 50s to near 60. Confidence: Medium-High

By Jason Samenow  | April 22, 2009; 10:00 AM ET
Categories:  Forecasts  
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Next: No Separating Weather From the Environment

Comments

It's nice to have a cool morning. The temperature is 38 outside right now.

Posted by: Murre | April 22, 2009 6:11 AM | Report abuse

rainy this am in capitol hill....

Posted by: madisondc | April 22, 2009 8:40 AM | Report abuse

Will the atmosphere be more stable this afternoon due to cooler temperatures, resulting in a less likelihood of afternoon showers and T-Storms?

Posted by: snowlover | April 22, 2009 9:01 AM | Report abuse

HAIL! all over NW DC from 8:15am-8:35am! All my co-workers experienced it. It was amazing at my house in Shaw as well.

Posted by: Camden-CapitalWeatherGang | April 22, 2009 9:27 AM | Report abuse

It hailed almost my entire drive to work this morning (between about 9:00 and 9:45), and it's hailing again now!

So much hail in the past 24 hours!

Posted by: LaurainNWDC | April 22, 2009 10:25 AM | Report abuse

I forgot to mention that yesterday's hail in Aspen Hill/Silver Spring was a bit bigger than pea sized.

Today it has just been just a little bigger than sleet sized.

Posted by: LaurainNWDC | April 22, 2009 10:26 AM | Report abuse

Checked the bucket this morning and we got about 1/4" of rain yesterday.

Low temp last night was 36.5F.

The HPC 1 day shows a chance for snow in part of WV.

Posted by: spgass1 | April 22, 2009 10:35 AM | Report abuse

April is typically the "hail month" in this area.

Posted by: Ian-CapitalWeatherGang | April 22, 2009 10:40 AM | Report abuse

Plenty of interesting cumulus congestus cloudiness this morning along with the associated low/level fractocumulus/pannus. No rain or hail yet.

We may wish to be alert for "cold-air funnels", a phenomenon sometimes seen around the Great Lakes in this type situation. If a vorticity lobe or any other type of "spin" moves through, we could see a brief EF0 or EF1 tornado dipping out of one of these large low-topped thunderstorms. Waterspouts are often noted on the Great Lakes, particularly in the autumn, when temperature contrasts between the lower-level air and the upper air are the highest, whenever an air mass this unstable moves through.

Posted by: Bombo47jea | April 22, 2009 10:43 AM | Report abuse

Euro is keeping us toasty all the way through it's run to day 10. Looks like mostly 80+ till May 1 once it starts if correct. The American GFS is a little less excited about the warmth continuing that long but looks like a warmer pattern generally.

Posted by: Ian-CapitalWeatherGang | April 22, 2009 11:00 AM | Report abuse

Hail in Silver Spring the past few minutes

Posted by: Jamie66 | April 22, 2009 11:12 AM | Report abuse

I didn't see any hail on the way to work this morning (from Alexandria). But I did see something awesome yesterday. When I got of the metro yesterday at about 5:25, the sky was green. It was crazy. One side of the sky was bright, but to the other direction there were dark clouds. In light patches between the clouds, the sky was green. It was kind of a light teal color, but definitely more green than blue. I just kept staring at it. But it only lasted for a few minutes, because the sky was uniformly gray by the time I got my car out of the garage. It was weird.

Posted by: dragnchic9 | April 22, 2009 11:16 AM | Report abuse

MORE HAIL! at 18th&E sts NW. wow. These storms aren't even identified as hail producing storms on smart NexRad out of Sterling. twice in one day. without any sun for added instability... amazing dynamics in play for shallow storms to drop hail like this.

Posted by: Camden-CapitalWeatherGang | April 22, 2009 12:06 PM | Report abuse

Yep, a heavy, quick burst of pea sized hail at Franklin Square a few minutes ago too. These storms really seem to pop up out of nowhere. I also saw the deep green yesterday at around 6:30 over Franklin Sq. that dragnchic9 mentioned over Alexandria. Strangely, I didn't get any hail out of that, but I was kicking myself for not having my camera. A good start to storm season . . .

Posted by: ParkerGP | April 22, 2009 12:24 PM | Report abuse

I'm really interested in how much sun I've seen in the past couple days right along with storms. Even when it was hailing and raining this morning on my drive, there would be holes in the clouds that revealed blue sky. Now it's beautiful and sunny out there, but there are more big fat clouds coming in. And last night around 9:30 there were these big clouds and then super starry patches all over.

Why are the clouds like this with this system? What's going on?

Posted by: LaurainNWDC | April 22, 2009 1:05 PM | Report abuse

Got our first hail out of this system in SW Arlington just before noon. No thunder thus far today.

Posted by: Bombo47jea | April 22, 2009 1:07 PM | Report abuse

...and there's another dark cloud building to our west...

Posted by: Bombo47jea | April 22, 2009 1:10 PM | Report abuse

On the Blue Ridge east of Front Royal we had a brief hail shower (small size) about 1:00.

Posted by: spgass1 | April 22, 2009 1:23 PM | Report abuse

Thunder in Arlington at 1:30 p.m.

Posted by: CapitalWeatherGang | April 22, 2009 1:33 PM | Report abuse

weather gain or anybody listening. how warm do you think it will get this weekend?

Posted by: hikeguy23 | April 22, 2009 2:55 PM | Report abuse

I can't wait for 80+*F!

Posted by: bastings | April 22, 2009 4:02 PM | Report abuse

The comments to this entry are closed.

 
 
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