 Tickets available now at LiveNation.com. Dave Dildine, WTOP Traffic. Check of our forecast. 7 News First Alert meteorologist Steve Rudin. Excessive heat warning until 8 p.m. with sizzling temperatures from now until then. We also have a newly issued severe thunderstorm watch. That is until 10 o'clock this evening, although I do suspect it may come down for some of you a bit ahead of schedule.