With several major storms expected in the Yosemite Area this weekend, Yosemite National Park is closing Tioga Road at 3:00 pm and Glacier Point Road at 5:00 pm, on Saturday October 29, 2016. This closure will be in place until further notice. https://www.nps.gov/yose/learn/news/yosemite-national-park-to-close-tioga-and-glacier-point-roads.htm
Source: Yosemite National Park News