The fire started just after 9pm near 2162 east and 2800 south in the Little Valley Area of St. George.
Crews from the St. George Fire department responded and put the fire out by 10:30pm.
Dispatch confirmed that no animals or people were injured in the fire. The fire is still under investigation but neighbors tell ABC 4 that the barn is a complete loss.
Neighbors say the owner used the barn to store a car and boat.