D.C. forecast: Calm before the storm

      This Afternoon: Mostly Sunny and Beautiful

      Highs: near 80 | Wind: Northwest 8-12 mph

      Overnight: Increasing Clouds, Mild

      Lows: 58- 65 | Wind: East 5-10 mph

      Friday: Strong PM Thunderstorms, Tornadoes Possible

      Highs: lower 80s | Wind: Southeast 10-15 mph

      An area of high pressure will bring a beautiful, sun-filled day to the Washington area. Afternoon highs will be in the upper 70s to lower 80s. Quiet and mild conditions are expected overnight with lows in the 50s and 60s.

      Tomorrow will begin with some sun, but don't be fooled. Stay alert Friday afternoon and evening for changing weather conditions. A potent low pressure center and attendant cold front will produce lines of showers and thunderstorms as it approaches the Appalachians. The Storm Prediction is already discussing the possibility of severe weather in our area from this system. Strong thunderstorms with gusty winds, hail and tornadoes will be possible.

      Cooler conditions are expected on Saturday with highs in the 70s. Showers linger back into the forecast Sunday.

      Stay with ABC 7 News,, NewsChannel 8 and WeatherNOW for the latest advisories, watches and warnings.