 Heat alert this Tuesday. A heat advisory has been issued by the National Weather Service starting at noon and running until 8 p.m. Morning temperatures 75 to 80 degrees. Later today, 94 to 99. With the added humidity, it will feel like 103 to 108. Expect skies to be partly cloudy. I'm 7 News Chief Meteorologist Veronica Johnson in the First Alert Weather Center. 80 degrees high in Seville, 80 foggy bottom, 78 Herndon. We're at 81 and holding at our nation's capital. Michael and Son's Precision AC Tune-Up for only $49. Michael and Son.