 And here's 7 News First Alert meteorologist Eileen Whalen. One more exceptionally hot and humid day before a little bit of relief arrives tomorrow and Friday. This afternoon, though, we're topping out in the mid-90s with heat index values between 105 and 110. This evening, tracking a line of gusty showers and storms, probably in the D.C. metro area between about 8 and 9 p.m., could see some downpours damaging wind gusts. And with such high humidity, frequent thunder and lightning,