St Clair Lake-Six Mile Lake Natural Area UV IndexUnited StatesMICharlevoix CountySt Clair Lake-Six Mile Lake Natural Area1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASt Clair Lake-Six Mile Lake Natural Area UV forecast issued yesterday at 3:17 pm. Next forecast at approx. 3:17 pm.Get WillyWeather+ to remove ads