The Derby Fire is moving quickly in Garfield and Eagle counties, burning almost 1,000 acres between Wednesday night and Thursday morning.

A new wildfire west of Red Feathers Lakes has prompted mandatory evacuations for some residents in Larimer County Thursday.

The Derby Fire, located north of Dotsero in White River National Forest grew to 839 acres Tuesday evening, according to the Watch Duty app. The measurement is more than three times the 245 acre estimation Tuesday evening. The growth has prompted evacuation orders in the area of Sweetwater Lake and a complete closure of Colorado River Road.

More evacuation orders have been issued as the Derby Fire in Eagle County grows to over 2,600 acres. The fire, burning north of Dotsero in the White River

The two fires are called the Derby Fire, located in Eagle County near Garfield County, and the La Plata Fire, located in Chaffee and Lake counties in the Pike-San Isabel National Forests.

GRAND JUNCTION, Colo. (KJCT) -Here is the latest on the fires burning in Colorado. The Lee Fire has burned 137,485 acres of land, and firefighters have dramatically increased the fire’s containment to 61%. The Derby Fire, about 15 miles north of Dotsero, has been mapped at 25 acres and growing, according to officials.