Two wildfires that started over the weekend burned more than 1,600 acres of grasses on Sunday.

A fire in Utah County was started by humans sometime Sunday, according to state land officials. It burned more than 500 acres of grass and sagebrush south of Saratoga Springs.

By late in the day, it was 20 percent contained and was not threatening any structures. Full containment is expected by Tuesday.

A fire in Salt Lake County started Saturday. Its cause had not been determined by late Sunday.

Dubbed the Craner Fire, it burned more than 1,100 acres of sage and juniper on land west of the Great Salt Lake.

Planes and helicopters were used to douse the flames, but by late Sunday the fire was still burning freely. Steep and rocky terrain hindered firefighting efforts, according to Bureau of Land Management officials. Full containment is expected by today.

No evacuations were ordered in either fire, according to officials.