knows it. 100 degrees. reporter: so for these kids and even some adults, the only way to stay cool was a soaking in the fountain. but at least today is very hot. reporter: earlier in the day, people throughout the national mall who showed up to the folk life festival dealt with the brunt of the heat. many spent the day cooling off in misting stations, the heat enough to make visitors to washington cringe. it seems we are melting or something. reporter: and just when you thought things couldn t get any hotter, the smithsonian community museum put together a go-go show on the mall honoring none other than chuck brown. it was 105 degrees out here. i think good turnout for what we know as the godfather of go go. reporter: the show grout dozens of people under a tent for dancing and singing on stage and on the floor. no relief from the heat here though. only thing cool at this concert was the sounds of go-go itself. the music is very accessible. reporter: a
degrees tomorrow, and tonight there s also the strong possibility of severe thunderstorms. we have team coverage of the heat wave with crews and reports from across the region, because in the extreme heat and the severe storms expected on sunday, the 9 news weather team has declared tomorrow a severe weather alert day. let s begin with anny hong on the weather terrace. still hot. temperatures feeling like over 100 degrees at this hour. and it is 11:00. here s a look at our heat index values for this hour. 102 is what it feels like in downtown. that s just crazy. andrews air force base 95. annapolis 96. cumberland, it feels like 91 degrees. fredericksburg also still very warm on this evening. hey, we set some new records today. the record at downtown getting up to 105. that means the old record of 102 is out of there. baltimore also setting a new record at 103. dulles tying at 101. we are one degree shy of tying for the all-time hottest temperature recorded in d.c. doppler r