 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. Southwesterly winds, 8 to 15 miles per hour. Partly cloudy skies tonight. Slight chance for isolated thunderstorms. Lows level off around 78. I'm meteorologist Paul Trombley from the talk of Delmarva Weather Center along the coast. Right now, it's 88 degrees.