 at 11 a.m. Now, an approaching cold front, which will bring us the relief, is going to bring the chance for some widespread showers and storms, some of which could be on the strong to severe side, also capable of producing some heavy rainfall, which is why a flood watch will go into effect beginning at 2 p.m. I'm 7 News meteorologist Mark Penna in the First Alert Weather Center. 76 degrees in Herndon, 78 in Hyattsville, 82 now in Foggy Bottom.