Forecast: The Heat is Coming

We got through May without a 90 degree day and, despite the torrents of rain, we enjoyed quite a few sunny, low humidity days. The first week of June will give us a couple of those days to start with, but during the second half of the week, the heat and humidity will make its grand entrance.

TODAY (MONDAY)

Mostly sunny and pleasant. Near 80. The work week starts in style with lots of sunshine and low humidity. Afternoon temperatures should climb to near 80 with winds from the north at about 10 mph.

Clear skies overnight, with lows dropping down to the mid 50s in the cooler suburbs to near 60 downtown.

Confidence: High

Keep reading for the forecast through the week.

TOMORROW (TUESDAY)

Partly sunny. Near 80. Tomorrow will be like today with a bit more in the way of cloud cover, especially during the afternoon. You may also notice a slight increase in humidity as high pressure drifts offshore and winds blow in from the south (at about 10-15 mph). High should be near 80.

A warm front moves through the area overnight, possibly triggering a shower or thunderstorm (20% chance). Lows only drop to 60-65 (suburbs-city).

Confidence: Medium-High

A LOOK AHEAD

Wednesday should be partly to mostly sunny and humid. There could be an isolated thunderstorm, especially towards northern Maryland in the vicinity of a stalled out front. Highs should be in the mid 80s. Confidence: Medium

Thursday could be our first 90 degree day of 2008 and it will likely be humid! Warm southerly winds from a developing Bermuda high should boost high temperatures to near 90. A few thunderstorms could develop, more likely north of the metro area, near the stalled out front. Confidence: Medium

The heat and humidity likely persists Friday through weekend, with temperatures from 90-95 all three days. An isolated thunderstorm can't be ruled out on any of those days (especially north), but chances look low right now. Confidence: Medium

By Jason Samenow |  June 2, 2008; 5:00 AM ET Forecasts
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I talked to several friends yesterday in the Valley. Some have received no measureable rainfall during the past week, others .10-.20. I am the winner at .23.

Lawns are beginning to show stress from a lack of moisture.

49 degrees at 6:45.

Posted by: Augusta Jim | June 2, 2008 7:24 AM
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So did NWS determine if that was a funnel cloud in Ft Washington on Saturday?

Despite the SCA, I ended up taking my boat out yesterday morning anyway, and I'm so glad I did!

Posted by: ~sg | June 2, 2008 7:25 AM
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So I guess that forecasted high temp of 79 that the NWS shows for Thursday is an error??

Posted by: kcm | June 2, 2008 8:33 AM
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Torrential rain? Warnings? Nah, not for me, ended up with .22 on saturday and just clouds yesterday.....not ready for 90's!

Posted by: Mike from the Blue Ridge | June 2, 2008 9:55 AM
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KCM: No the NWS Forecast is not an error. NWS places the stationary front south of us which keeps us cool, but my forecast assumed it would be north of us, which would put us in the warm/hot air. Honestly, it could go either way -- so stay tuned.

Posted by: Jason, Capital Weather Gang | June 2, 2008 10:24 AM
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So do you think I can assume that during early to mid-evening hours tomorrow (5-8pm) we're fairly clear as far as rain goes, and that any thunderstorm threat would be later in the evening/overnight?

Pleasepleasepleaseplease Capital Weather Gang, help make my outdoor event a success! :)

Posted by: teddy | June 2, 2008 1:07 PM
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hey guys...We have a outdoor School Carnival scheduled from 5:00 - 9:00 this coming Friday evening. How is the weather currently looking for Friday evening for the Manassas area? Thanks

Posted by: ManassasMan | June 2, 2008 2:09 PM
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teddy -- It's not impossible that a shower or thunderstorm works its way in here during your time window, especially toward the end of it and especially if you are west of the city. More likely, though, any precipitation will hold off until after 8 p.m.

Posted by: Dan, Capital Weather Gang | June 2, 2008 2:16 PM
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ManassasMan: I would say it looks warm and humid with a 20-30% chance of a thunderstorm Friday evening. Temps should slowly drop through the 80s.

Posted by: Jason, Capital Weather Gang | June 2, 2008 3:47 PM
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