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Posted at 5:00 AM ET, 06/20/2008

Forecast: Warmth And Weekend Storms?

By Camden Walker

WeatherCamToday will be spectacular, and pleasantly warm weather continues into the weekend. But humidity gradually increases. Tomorrow through Tuesday, we add in the chance of an afternoon shower or thunderstorm. Of these days, the best chance for storminess is Sunday. All in all though, nothing too threatening or unbearable!

TODAY (FRIDAY)

Warm & sunny. Mid 80s. It will be warm but not overly muggy. Enjoy sunny skies with rain chances close to NIL today. A slight breeze out of the northwest adds some comfort. And hopefully you can don those shorts to work. It is Friday after all, right?

Skies will be fair overnight. Low temperatures could dip below 60 outside the Beltway and still feel comfortable downtown -- in the middle 60s. Not too shabby, methinks.

Keep reading to see how stormy we're thinking the weekend may be. Check out NatCast if you're headed to Nationals Park tonight, or Beachcast if you're headed to the shore this weekend.

TOMORROW (SATURDAY)

Partly cloudy. P.M. t'showers? Upper 80s. Skies won't be quite as clear tomorrow, and humidity not quite as low (and comfortable). By the afternoon, a chance of showers and thunderstorms exists. But only a 30% chance. It will be nice n' warm, with highs in the upper 80s. Wondering where the muggier air is coming from? From the direction the wind is blowing: Out of the southwest from 5 to 10 mph -- funneling in moist air from near the Gulf of Mexico.

*Trivia fact: Towering cumulus (developing T-storm) clouds can actually magnify UV radiation. So even though you look at the sky and think "huh, it's partly cloudy with all these puffy clouds around, so UV should be must be lower" -- you'd be wrong. ALL THE MORE REASON to lather on sunscreen! Please whip out that SPF 30+!

Showers and storms could continue Saturday evening. Low temperatures may not get below the middle 60s in most spots, since skies will stay mostly cloudy. Rain chances will remain around 30% and light southwest winds will continue to subtly moisten the atmosphere.

SUNDAY

Humid. Good chance of storms. Low 80s. With a 60% chance of rain on Sunday and mostly cloudy skies, I hope you can watch radar and dodge some of the heavier showers and storms. We shouldn't have a washout though and there should be some windows for outdoor activities. While it won't be too hot, you will notice the increased humidity.

Mostly cloudy overnight with lows barely ducking below the 70-degree mark. Showers & storms may still affect the area through mid evening, with partly cloudy skies thereafter.

A LOOK AHEAD

Partly sunny conditions on Monday with average warmth. Expect high temperatures in the mid 80s and a small chance of afternoon showers or thunderstorms (30%). Confidence: Medium

On Tuesday, we almost have a repeat performance. Showers and storms threaten (30%) again with temperatures reaching the lower 80s. Confidence: Medium

By Camden Walker  | June 20, 2008; 5:00 AM ET
Categories:  Forecasts  
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