It is getting more humid. Short sleeve day. Possibility of an isolate the thundershower popping up. There is the cloudy sky over washington now. Temperature graph hour by hour today, holding in the low and mid 70s between now and 8 00 a. M. A little sun breaking out. By noontime, partly cloudy, low 80s. Mid80s by midafternoon. An isolated thundershower mainly west of the metro area. And for the afternoon commute, an isolated thundershower rolling over may provide a low impact for the afternoon commute because i dont think these storms are going to be severe. Potential looks very low. Coming up, a look at where the store storms may hit first. Metro is in the final phase of testing trains on the silver line. You can take a look here. Right now the empty silver line trains will run rush hour service along with other trains and that means delays. Megan mcgrath live at the Franconia Springfield station. Reporter with the coming of the silver line, there will be more options for riders and s