 And the heat index tomorrow and Tuesday around 105 to 110 in the D.C. area. For Wednesday, some clouds move in with showers and thunderstorms, potentially some gusty winds with any stronger storms. That boundary will bring a cool down with highs around 85 for your Thursday. I'm 7 News. We're all just for Devon to the first weather center right now. It's already 90 degrees at Upper Marlboro, 86 in Woodbridge and 90 degrees in Washington, D.C.