there's one moderate downpour near laytonsville to near gaithersburg. that's tracking into howard county. drenching the roads, everything is wet up there now. temperatures in the upper 70s in washington. reaching mid and upper 80s around the metro area. clouds building in the mountains and storms building later on today. we'll look at that next weather and traffic on the 1s. melissa has an update on construction. >> we have road work in prince george's county. branch avenue southbound there at linda lane. we have the right lane blocked. hoping that is out of the way here in the next little while. old marlboro pike, that just popped up here. there's debris in the roadway so they had to shut the roadway down. overall, 66 and 95 not having any issues. rain tom has been saying on 270 here, top of the area there near clarksburg road. i'm back in a couple of minutes. >> see you then, melissa. >>> we continue to follow the breaking news this morning, the deal reached overnight about iran's nuclear program and this morning we're getting a closer look at just wh