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.

One of the fires burning now more than 100,000 acres in Rio Blanco County in northwest Colorado continues to grow during ongoing “near-critical fire weather” conditions.