The Blue Cut Fire was a wildfire in the Cajon Pass, northeastern San Gabriel Mountains, and Mojave Desert in San Bernardino County, California. The fire, which began on the Blue Cut hiking trail in the San Bernardino National Forest, was first reported on August 16, 2016 at 10:36 a.m., just west of Interstate 15. A red flag warning was in effect in the area of the fire, with temperatures near 100 °F (38 °C) and winds gusting up to 30 miles per hour (48 km/h).