 Here's a look at your Delmarva forecast. A heat advisory begins at 11 a.m. tomorrow and remains in effect until 8 p.m. tomorrow night. Overcast tonight with lows around 75. Winds out of the south 5 to 10 miles per hour. Sunshine mixed with clouds at times tomorrow. Slight chance of thunderstorms. Daytime highs approaching 95. I'm meteorologist Paul Frombley from the Tock of Delmarva Weather Center inland.