Waiting on mom: Samara Del Valle, 1, of West Mifflin and her sister Samantha, 3, wait under an umbrella for their mother Adrian during the Farmer's Market in Market Square today. (Photo by Nate Guidry/Post-Gazette) #Pittsburgh #PGH #412 #FarmersMarket #MarketSquare #Pittsburghrain #weather #Pittsburghweather #DowntownPGH #PGPhotos