LOUDONVILLE — Rain kept commencement ceremony activities indoors Sunday afternoon. But the dreariness from outside never found its way inside Loudonville High School as the Class of 2026 turned its tassels inside a packed high school gymnasium full of excitement and smiles from friends, family and district staff. This year’s graduating class included 64 students. Its class colors were red and black. Class motto: “Grab your shades because our fut…