Colorado High Park Fire, about 15 miles northwest of Fort Collins, was burning out of control and had scorched an estimated 20,000 acres. Tuesday June, 27, 2012 A Red Flag warning, from noon to 9 p.m. calls for dry lightning, gusts from thunderstorms, and very low relative humidity and is the sixth day of Red Flags in a row. Monday June, 26, 2012 uesday firefighters continued to work on line reinforcement and structure protection on all portions of the fire. They faced persistent hot, dry weather that continued to dry out both live and dead fuels. .Visitors are reminded that due to the High Park fire, a large portion of the Canyon Lakes Ranger District may be closed. Roosevelt National Forest is a Forest in Larimer County, Colorado. It has an elevation of 2,414 meters, or 7,920 feet.