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.

Five active wildfires — the Lee, Elk, Oak, Stoner Mesa and Crosho fires — have charred more than 143,000 acres, or 222 square miles, on the Western Slope in recent days.

The Lee Fire near Meeker, now the fifth largest fire in Colorado's history, is just one four major fires in western Colorado threatening homes and other structures as firefighters struggle to get containment.

A look at the total acreage from wildfires burning across the Western parts of Colorado. Over 100,000 acres is burning with some containment.