 Now to 7 News First Alert meteorologist Mark Pena. After a little bit of a break from the humidity on Sunday, it is back with a vengeance this morning. Noticeably more muggy outside and it's going to make our hive about 100 degrees later feel even hotter with heat index values closer to 110 degrees during the afternoon. This is why the National Weather Service will issue an excessive heat warning beginning at 11 a.m. lasting until about 8 p.m. Also tracking the chance that a few showers and storms later, some of which could be on the strong to severe side with heavy rain,