From top, clockwise: The Beaver Creek Fire burned 174 square miles on the west side of the Wood River Valley in August. Climber Melissa Arnot was chosen Idaho Mountain Express Athlete of the Year. Photo by Jon Mancuso, reprinted with permission of Melissa Arnot. SkyWest Airlines’ Brasilia turboprop planes servicing Sun Valley will be replaced with jets beginning Jan. 6. A construction project on state Highway 75 south of Ketchum was mothballed until spring.