 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. Low level off around 78 tonight under partly cloudy skies with a slight chance of thunderstorms. Southerly winds 8 to 15 miles per hour. Chance of thunderstorms tomorrow. Daytime highs approaching 95. I'm meteorologist Paul Trombley from the top of Delmarva Weather Center along the coast.