 Mainly isolated in nature, not everyone will see the showers and storms, but those who do could expect some briefly heavy rainfall, frequent lightning, and potentially some damaging winds. I'm 7 News Meteorologist Mark Pena in the First Alert Weather Center. 86 degrees at the wharf in D.C., 83 degrees Oxon Hill, 83 degrees in Sterling. Money News at 10 and 40 past the hour brought to you by PenFed. Great rates for everyone.