 Your forecast from the WDEL Weather Center, a heat advisory still in effect. Cloudy skies tonight, low 76. Tomorrow's mostly sunny with a chance of showers and thunderstorms in the afternoon. A high 94, but a heat index as high as 105. Partly sunny on Wednesday with a chance of showers and thunderstorms, high 93. Partly sunny Thursday with a chance of showers and thunderstorms, high 89. Then it's partly sunny on Friday with showers and thunderstorms likely in the afternoon.