Elsewhere, firefighters made progress on corralling the Little Pine Fire. Located 5 miles southwest of Enterprise in Washington County, it had burned about 2,300 acres and was about 25 percent contained Sunday night up from 5 percent containment earlier in the day. The lightning-caused fire was threatening 12 structures.
Fire crews warned of possible closures on Highway 120. Also, the Honeycomb Rocks Campground and Enterprise Reservoir areas were closed to public access.
The Faust Fire, which started Aug. 5 about 9 miles northwest of Vernon in Tooele County, had burned about 22,045 acres by Sunday.
The fire, caused by lightning, was about 85 percent contained, but firefighters hoped it would be fully contained on Monday.
Officials said the town of Terra wasn't immediately threatened, but the safety of the town was a priority for fire crews working the north flank. The fire was threatening wildlife habitat, critical water sources, livestock, scientific study plots and a small wild horse herd on the west side of the blaze.
All public lands and roadways administered by the Bureau of Land Management remained closed to public entry.