 But we're also tracking some strong to severe storms capable of producing some heavy rainfall today, which is why a flood watch will go into effect beginning at 2 p.m. I'm 7 News meteorologist Mark Pena in the First Alert Weather Center. It's 77 in Rockville, 84 degrees already at Pentagon City. We have 83 at the National Arboretum in Northeast D.C. Brought to you by Longfence. Save 25% on decks, pavers, and fences. Six months, no payment, no interest. Conditions apply. Go to longfence.com.