 Your forecast from the WDEL Weather Center. Slight chance of showers and thunderstorms in the afternoon. Partly sunny for today. High near 94 degrees. Heat index is as high as 105. Heat advisory in effect for the area until 8 p.m. tomorrow. Tonight, a slight chance of showers and thunderstorms. Mostly cloudy. Low around 78. Chance of showers and thunderstorms tomorrow.