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.

Four wildfires burning in western Colorado have consumed more than 250 square miles, threatened hundreds of homes and forced evacuations, fire officials said.

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.

After a series of hot, dry, sunny days, Eagle County’s fire danger levels are extremely high. The Lee Fire currently burning in Rio Blanco County has burned close to 120,000 acres, making it the