"The webcams provide windows into Yosemite for people to plan a visit and to be inspired about the need to preserve and protect one of the world's most unique places," said Mike Tollefson, president of Yosemite Conservancy, in a press release. "This technology makes the park's incredible scenery accessible to anyone, anywhere and at any time. What could be better than starting your day by viewing Yosemite Falls?"
And check out this footage of the falls in winter, when "a big conical mound of ice and snow develops...it can grow to be hundreds of feet tall." Then...it comes crashing down.
Click on the webcam long enough, maybe you'll see something like this...