The Highline Fire has burned nearly 1,000 acres in the past week. Officials are worried that rising temperatures could make containing it more difficult.
The intense heat expected later this week could lead to canyon winds that expand the fire.
Spokesman Richard Hadley said a containment line has been drawn and there is a backup plan ready if winds drive the fire past it.
“We get some of the extreme weather and we get winds with that, we get spotting over the line, and there’s not a road system or good topographic feature that we can fall back to until we get to the control road," Hadley said.
The fire control road lies about two miles away from where firefighters have established an initial containment line. Hadley praised residents for preparing their community for a fire. The area is the site of the Dude Fire, which burned 37.5 square miles and killed six firefighters in 1990.