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Posted at 11:30 AM ET, 08/15/2008

Forecast: Friday Storms Before a Nice Weekend

By Camden Walker

WeatherCamToday will be the least desirable day of the next three. But once we get past any showers or storms this afternoon and evening, the weekend should be partly to mostly sunny and not humid, with pretty much no chance of rain. Looking to the start of next week, August's heat and humidity will likely return -- but not quite at full force.


Partly sunny. P.M. storms. Mid 80s. Like yesterday, humidity will be more noticeable than earlier in the week, and yes scattered showers and storms could very well pop up during the afternoon and evening -- 50% chance your particular location gets rained on. However, it will neither be a washout of a day nor an oppressively muggy one. Morning fog and clouds will dissipate to reveal partly sunny skies, before clouding up again in the afternoon.

A chance of showers and storms may still plague us after dinner, especially along and east of I-95. Precipitation peters out by around midnight with mostly cloudy skies lingering toward dawn. As overnight lows dip to the mid 60s in most places, a light breeze from the north will slowly dry us out.

Keep reading to find out just how good the weekend will be. Does it clear up completely? Also, see NatCast for tonight's game at Nationals Park. And, will you be our Weather Checker?


Partly to mostly sunny. Mid 80s. Some cloud cover tries to hang in early Saturday. But for the most part I think we're in for a partly to mostly sunny day with low humidity -- a welcome treat after the dank weather of late Friday. Light winds from the north of 5-10 mph will make it feel great, pushing moisture and clouds out of the region.

Mostly clear and rather refreshing into the evening and overnight hours. Lows near 60 for those of you outside the D.C. heat island. Downtown will fall to the mid 60s. And those pleasant, light northwesterly winds will continue.


Quite nice. Upper 80s. The humidity stays low again, but this time a little more heat may fill the afternoon. The sun will beat down on most of us, from a mostly cloud-free sky, warming temperatures to the upper 80s. And virtually no chance of a shower or storm!

Fair skies & calm conditions overnight. Lows should be in the upper 60s to near 70 downtown, and as cool as the lower 60s in places like Frederick and Ashburn.


Monday should be rain-free with sunny skies and temperatures in the upper 80s to near 90. Still not much in the way of humidity to report. How long can this goodness last? Confidence: Medium

On Tuesday, humidity is likely to be higher, and a chance of showers or thunderstorms may return after taking a few days off (as of now, only looks like a 30% chance, but that could change in either direction between now and then). Highs likely in the upper 80s or low 90s. Confidence: Medium

By Camden Walker  | August 15, 2008; 11:30 AM ET
Categories:  Forecasts  
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Well, two outta three ain't bad.

Posted by: ~sg | August 15, 2008 8:03 AM | Report abuse

~sg, haha, you are right. It's true. Have any big plans in DC? or the beach? (I think it a pretty good weekend to head toward the shore...after tonight's storms pass through)

Posted by: Camden, Capital Weather Gang | August 15, 2008 8:12 AM | Report abuse

Got tix for the Nats Saturday night - looks like chances are good for a clear sky showcasing the full moon.

Posted by: ~sg | August 15, 2008 9:38 AM | Report abuse

Another day..........another upper-level disturbance.

Welcome to the Year of the Thunderstorm.

Posted by: Mike | August 15, 2008 10:00 AM | Report abuse

If this was the year of the thunderstorm, many places in our area wouldn't be suffering rain deficits. We've had our share, for sure, but it isn't THAT unusual.

Posted by: Southside FFX | August 15, 2008 10:42 AM | Report abuse

clear skies, low winds, low humidity, and a full moon for Saturday evening. What a wonderful night for a flight over the mountains!

Posted by: DC Pilot | August 15, 2008 10:43 AM | Report abuse

Year of the Thunderstorm--and [unfortunately!!!] another "severe" forecast for Dance Night. This is August, not June!!! This has got to stop!!!

Another year with 40+ thunderstorm days--normal for DCA should be 27!!! If you need proof for Global Warming, just take a look at the isokeraunic map. It's a better indicator ~ the "canary in the mine" ~ than the temperature data. Inuits in the far North are reporting lightning and thunder where it's never been reported. Today's Canadian map shows lightning around the west side of Hudson's Bay, and also rare activity off Astoria, OR and N of Santa Barbara, CA. "StrikeStar" and Intellicast confirm the thunderstorm north of Santa Barbara--it's 42,000 ft. tall and headed NW at 16 kts.

Current: 82F, 30.00, rising. Cc, Ac and contrails, hazy this morning. Contrails are now so frequent at high-cloud level they should be classified as a subtype of cirrocumulus, specifically Cc "humanogenitus". Latin seems to have no words for "aircraft" or "jet". [May I suggest the Sanskrit word "vimana" which occurs in Vedic liturature?]

Posted by: El Bombo | August 15, 2008 12:14 PM | Report abuse

Allthese thunderstorms in the Mid-Atlantic aea have nothing to do with so-called global warming, El Bombo (the ones farther north may or may not). We have gotten thunderstorms in this area almost every day because of the continual train of upper-air disturbances, cold pools aloft, and surface fronts. As I have noted in other posts, we have never gotten out of the Late-May/early June weather pattern (which typically gives us severe storms) and into a normal summer.

Posted by: Mike | August 15, 2008 10:12 PM | Report abuse

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