Magic Valley Regional Airport (Joslin Field) UV IndexUnited StatesIDTwin Falls CountyMagic Valley Regional Airport (Joslin Field)1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAMagic Valley Regional Airport (Joslin Field) UV forecast issued today at 1:18 pm. Next forecast at approx. 1:18 pm.Get WillyWeather+ to remove ads