 Partly sunny on your Friday, very hot and humid, 93 to 98 degrees. A heat advisory from noon until 8 p.m. with feels like readings at or above 100 degrees. Hot and humid with partly sunny skies on Saturday, mid-90s, lower to middle 90s on Sunday. I'm 7 News meteorologist Steve Rudin in the First Alert Weather Center. 78 at Reagan National, 80 at BWI Marshall, and 78 at Dulles at 1040.