Three fires are burning in Colorado's Rio Blanco County, one of which is now the 5th largest in state history and still growing.

A new fire in Rio Blanco County near its border with Routt County is burning 300 acres near Crosho Lake and has prompted campground evacuations and pre-evacuation orders for nearby homes.

A state prison in rural western Colorado has been evacuated due to a massive fire that has spread to more than 110,000 acres, state authorities said Sunday. The Lee Fire is now the fifth-largest blaze in the Colorado’s history,

Crews continue to make progress on two large wildfires burning in Western Colorado, although fire officials said one continues to be challenging.

The Lee Fire burning on Colorado's Western Slope is officially one of the largest that the state has ever seen.