Grand Staircase-Escalante National Monument UV IndexUnited StatesUTKane CountyGrand Staircase-Escalante National Monument1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAGrand Staircase-Escalante National Monument UV forecast issued today at 12:18 pm. Next forecast at approx. 12:18 pm.Get WillyWeather+ to remove ads