Land of the Yankee Fork State Park & National Forest Historic Area UV IndexUnited StatesIDCuster CountyLand of the Yankee Fork State Park & National Forest Historic Area1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAALand of the Yankee Fork State Park & National Forest Historic Area UV forecast issued today at 12:17 pm. Next forecast at approx. 12:17 pm.Get WillyWeather+ to remove ads