Four fires burning on Colorado’s Western Slope have spread to more than 31,000 acres and forced ongoing evacuations, fire officials said Wednesday.

Two wildfires that started over the weekend on Colorado’s Western Slope have consumed more than 20,000 acres and destroyed at least three buildings, according to fire officials.

More than 30,000 acres in northwest Colorado have been destroyed by the Lee and Elk fires since Aug. 2. See the updates.