Showers and a few thunder showers are going to be moving from west to east across Tennessee Thursday afternoon with the best chance on the Cumberland Plateau after 3 p.m. but there could be scattered showers before that. Friday will bring a 50% chance of showers and then off and on rain is likely for the weekend Saturday and Sunday. High temperatures will be in the upper 70s through Friday and then low 70 Saturday and upper 60s Sunday.