I found this webcam that's located on the Clemson U. rowing team building at Lake Hartwell. Gives some idea of weather conditions.
http://www.clemson.edu/webcams/?q=rowing
I wish it were tilted up just a bit more to see more of the sky. Maybe I'll find some others.
ON edit: This is a good sky shot, but 28 miles away in Anderson, SC.
http://weather.weatherbug.com/weather-camera/?cam=NDRSB