A warm front is pushing through the Delaware Valley and bringing an unsettled pattern to the region. First, a few passing storms move through late Thursday evening and overnight.
Then, plan on widely scattered showers and storms later Friday, and it’s now looking likely that Saturday will also turn unsettled after a warm and sunny start with showers and storms in the evening.
Sunday’s forecast looks dry for the Broad Street Run, but clouds and a south wind may add an additional challenge for runners…