 Mild and muggy start to your day with temperatures only in the mid-70s this Sunday morning. Now as we head towards this afternoon, another very hot day in store with highs in the mid to upper 90s with heat index values closer to 100 degrees. Also tracking the chance at a few stray showers that will fizzle out by the time the sun sets. I'm 70s meteorologist Mark Pena in the First Alert Weather Center. And we'll take a look at the airports. It's 81 at Reagan National. It's 78 at BWI Thurgood Marshall. 79 at Dulles. And it's still 80 degrees outside the WTFP studios at 140.