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Posted at 3:15 PM ET, 06/14/2010

PM Update: Cold front to bring some relief

By Ian Livingston

Several day respite in high heat along with rain risk

* Thunderstorms: Fickle & capricious for sure *
* Outside now? Radar temps & more: Weather Wall *

The early-season barrage of heat and humidity continued today, but temperatures have dropped slightly compared to recently and we'll see some relief in that department over the next couple days. A cold front moving toward the region may spark a few showers or storms before it brings in a bit drier and cooler air, though anything that forms should be isolated with only a few places getting any rain. As most know, we're running out of time to see much in the way of cool air for a while, and this front won't bring terribly cool air with it.

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.

Through Tonight: We'll continue to see partly-to-mostly cloudy skies through the evening into much of the night, and there is a risk of an isolated shower or storm through the evening. We won't see much in the way of cool air overnight as lows fall to the upper 60s and lower 70s.

Tomorrow (Tuesday): On Tuesday, we get a brief return to near-normal temperatures in the low-to-mid 80s. Humidity levels also drop a bit, so overall it should be a more pleasant day than the last few. Morning sunshine may be replaced by more clouds as the day progresses and there's an outside shot at a late day shower or thundershower, probably mostly southwest of the area.

See Jason Samenow's full forecast through the beginning of next week. And if you haven't already, join us on Facebook and follow us on Twitter.

Tropical trouble? The National Hurricane Center has been monitoring a strong early-season wave of low pressure that has progressed west from the African coast. Coined "Invest 92", this system was initially expected to reach at least tropical depression status, but it has had trouble developing. Historically, it is much too early in the season for a storm to get going so far east, and if it does in the near term it will likely be the earliest recorded occurrence in the area. However, NHC is less certain that it will do so today, now giving it about a 40 percent chance of reaching tropical depression status. Even if it does develop, it will run into an unfavorable environment in the next day or so.

By Ian Livingston  | June 14, 2010; 3:15 PM ET
Categories:  Forecasts  
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Next: Forecast: Less heat and humidity


Might we catch a whiff of the tiny showers popping up over the highlands? I'll remain hopefull.

Posted by: Brian-CapitalWeatherGang | June 14, 2010 3:44 PM | Report abuse

We hit 90 at DCA again, first "official" heatwave with 3 days in a row 90+. 12 on the season. Here's an updated graph on where we are historically -- tied #3 now thru today.

Posted by: Ian-CapitalWeatherGang | June 14, 2010 4:28 PM | Report abuse

Very heavy rain, road spray and sun on 66 WB at 123. Traffic a bit worse than the usual Monday.

Posted by: eric654 | June 14, 2010 4:42 PM | Report abuse

now sun, no rain, road a bit damp at route 50.

Posted by: eric654 | June 14, 2010 4:43 PM | Report abuse

Showers popping everywhere, even downtown had a brief shower last hour... watch the radar with me! But even that isn't good at predicting which locales may see showers pop directly overhead!

Posted by: Camden-CapitalWeatherGang | June 14, 2010 5:56 PM | Report abuse

Centreville VA Gusty winds & a downpour here.

Posted by: FIREDRAGON47 | June 14, 2010 6:02 PM | Report abuse

Centreville VA 83 degrees, sun returning, got about a third of an inch of rain. No lightning or thunder noted. Very heavy rain for about 15 minutes.
I love to be in my garden, but am glad when mother nature does the watering on hot days like this.

Posted by: FIREDRAGON47 | June 14, 2010 6:26 PM | Report abuse

The heavens opened up about 6 minutes ago and lo were we deluged and did the gutters run over. Now it has ended. No lightning. Silver Spring.

Posted by: Murre | June 14, 2010 8:05 PM | Report abuse

Alexandria got pounded within the last 10 minutes ... I thought we were done for the day.

Posted by: mmurphy70 | June 14, 2010 8:33 PM | Report abuse

Just got knocked out of even trying to go to the Monday night dance at Chevy Chase...downpour so darned heavy you get soaked just TRYING to make it to the front sidewalk with an I HATE these types of rain events on dance nights! At least the notation "no dance class" tells me that attendance might be light and the scene "dead" anyway...better luck tomorrow night @ Clarendon.

Posted by: Bombo47jea | June 14, 2010 8:34 PM | Report abuse

Got caught in the rain in Michigan Park about 8:10. It was great.

Posted by: kperl | June 14, 2010 9:13 PM | Report abuse

These dewpoints are downright unconscionable - 72F. If the air gets any thicker we'll be able to fly.

Posted by: longlivefleeciewool | June 14, 2010 10:03 PM | Report abuse

We had about 3 waves of showers in OT Alexandria between 6 and 8:30... at least I was inside for the first two, but didn't get too wet waiting for the bus with the third... :)

Posted by: MKoehl | June 14, 2010 10:10 PM | Report abuse

Yeah, rain, FINALLY! Glad you enjoyed the rain in Michigan Park, kperl!

I was at a fundraiser downtown and missed it entirely. Our scorched Earth soaked it up: only .16" at Children's Hospital (the closest WeatherBug station), but .47" in my front garden rain gauges!

No 'MNR' kvetching until tomorrow!

Posted by: TominMichiganParkDC | June 14, 2010 11:28 PM | Report abuse

We had two different versions of the nonexistent "DC split" today. Though we did get some rain in the second...

Posted by: Ian-CapitalWeatherGang | June 14, 2010 11:59 PM | Report abuse

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