Spruce Knob-Seneca Rocks National Recreation Area UV IndexUnited StatesWVGrant CountySpruce Knob-Seneca Rocks National Recreation Area1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASpruce Knob-Seneca Rocks National Recreation Area UV forecast issued today at 3:17 pm. Next forecast at approx. 3:17 pm.Get WillyWeather+ to remove ads