Between drought, heat, and forest service budget cuts, this fire happened at a pretty bad time. NASA's Earth Observatory followed the event through the Suomi research satellite and provided the images that I have produced into gif format below.
The following gif shows August 16, 2013 through September 3, 2013. The green border near the center is the Yosemite National Park boundary:
The first week of the fire showed the greatest expansion.
Video of the fire from Yosemite NP's Youtube page:
You can find it yourself on Google Earth using these coords: 37°50' N 120°06' W
Check back in two weeks to explore a Russian Volcano!