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      Washington D.C. Forecast: Heat and storm chances back tomorrow

      Tonight:Partly Cloudy, Warm Lows: Upper 60s to Low 70s Wind: S 5 m.p.h. Wednesday:Partly Cloudy, Isolated Storms Highs: Upper 80s Wind: S 4-8 m.p.h. Thursday:Partly Cloudy, Scattered T-Storms Highs: Upper 80s Precipitation: 40%

      High pressure is building into the region and providing beautiful weather this afternoon. This "fair weather' system will move out tonight and behind it temperatures and humidity levels will increase. Areas of dense fog will be possible again early tomorrow morning. During the day tomorrow, skies will become partly cloudy and temperatures will climb into the upper 80s. Isolated thunderstorms will be possible during the afternoon.

      Very warm and more humid conditions are forecast for Thursday along with increasing chances for afternoon showers and thunderstorms as a cold front slowly approaches. Behind the front, on Friday, it will become slightly cooler and drier with increasing sunshine. The weekend is looking great for outdoor activities. Our forecast is for mostly sunny skies throughout the weekend with highs both days in the lower 80s.with relatively low humidity levels.