The fire was first reported on 16 July 2017 at 3:56 PM PST, and was located near Lake McClure. After 3 hours, the fire already burned 1,000 acres and it spread towards the northeast. On 17 July 2017, the fire grew to 7,100 acres. The intense heat and windy conditions made it hard to contain the fire. Governor Jerry Brown declared a state of emergency on 18 July 2017. The Yosemite National Park remained open, but some access roads were closed.