The Upper Boxelder Canyon river run in Wyoming is a challenging Class IV+ section of water that should only be attempted by experienced kayakers and rafters. The run features technical rapids, tight channels, and numerous obstacles such as boulders, fallen trees, and steep drops. The best time to float this section of water is in the late spring or early summer when water levels are high and range from 500-1500 CFS. However, due to the challenging nature of the run, it is recommended to go with a guide or experienced group.

Weather today, A slight chance of rain and snow showers before noon, then a chance of rain showers between noon and 5pm, then a chance of rain and snow showers after 5pm. Mostly sunny, with a high near 47. Windy, with a west wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 30%.