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.

Firefighters are starting to gain ground against the Lee Fire burning in Rio Blanco and Garfield counties, which has grown to become the fifth-largest wildfire in Colorado history.

The Town of Meeker is no longer under a pre-evacuation status as the state's largest wildfire continues to pose a challenge for firefighters on the ground due to hot, dry conditions.

Wildfires continue to burn in Rio Blanco County, one of which is the fifth largest in Colorado history. Greg Nieto spoke to a wildfire expert on how the crews make layers of protection around the fires.

RIO BLANCO COUNTY, Colo. — The Lee Fire in Rio Blanco County has grown to the sixth largest in Colorado history, according to the Colorado Division of Fire Prevention and Control. The fire was mapped with infrared technology at more than 106,000 acres as of Sunday.

A Colorado prison was evacuated as one of the largest wildfires in state history continued to grow, with officials warning residents of remote areas to be ready to leave as gusty winds and low humidity feed the flames.