 50% off ice cream and frozen desserts with Prime through July 16th while supplies last. Shop in-store or online, terms apply. I'm Dave Dildine, WTOP Traffic. Forecast now from Jordan Evans. Tracking your 4th of July forecast, passing clouds for today, but then we'll watch some thunderstorm chances later in the afternoon, as well as those hot and humid temperatures. 92 degrees, but the heat index as high as 100 in a few spots.