 Here's a look at your Delmarva forecast. A heat advisory begins at 11 a.m. tomorrow and continues until 8 p.m. tomorrow night. Chance of thunderstorms tonight, otherwise overcast skies. Lows around 75. Southerly winds 5 to 10 miles per hour. Partly cloudy tomorrow. Slight chance of thunderstorms. Highs around 94. I'm meteorologist Paul Trombley. From the talk of Delmarva Weather Center, inland.