 Here's a look at your Delmarva forecast. A heat advisory continues until 8 p.m. tonight. Slight chance for isolated thunderstorms this afternoon. Otherwise, mainly sunny skies. High temperatures reach up to 99. Southwest early winds, 8 to 15 miles per hour. Slight chance for isolated thunderstorms tonight. Lows level off around 79. Partly cloudy skies. I'm meteorologist Paul Trombley. From the top of Delmarva Weather Center, along the coast...