Investigators say it was sparked on June 17 near the Brian Head resort by someone using a torch tool to burn weeds.
"Things change day to day", Mr Wilder said.
Firefighters battled high winds as they fought a blaze that has grown to 72 square miles (184 sq km) and burned 13 homes - larger than any other fire in the country now, state emergency managers said.
The Weather Channel is describing the Brian Head Fire as the largest active wildfire in the U.S. On Tuesday, authorities evacuated additional homes and cabins near the site of a wildfire, which has burned more than 77 square miles near the ski town of Brian Head.
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As of Tuesday morning, the blaze had scorched almost 50,000 acres, the bulk of that in the Dixie National Forest, with crews managing to carve containment lines around just 10 percent of the fire's perimeter, officials said. Mike Noel said Tuesday he wants to use the fire near the ski town of Bri. Till now, more than 16 million residents of wildfire affected regions spreading over three western states suffering from multiple calamities, which are heat waves and increasing temperature and ever increasing wildfires at another.
Winds gusted up to 30 miles per hour Monday and spread the fire on the northern end, dropping the containment of the fire to 9 percent.
The forestry agency said windy, dry and warm weather will continue through Wednesday, adding that firefighters are expected to be more successful with supression when the fire most past areas where it is fueled by old-growth timber to areas where there is more sage and grass.
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"Firefighters are being directed to not put themselves in situations where the risks are high and probability of success is low", the Prescott National Forest said in a statement.
According to CBS Los Angeles, all residents were allowed to return home and 14 Freeway, which was closed by the fire, was reopened.
More than 100 residents were forced to evacuate their Santa Clarita homes Tuesday when a blaze threatened 80 homes in the Southern California town. Those fires have blackened a total of 150,000 acres, according to the National Interagency Fire Center in Boise, Idaho.
The Arizona wildfire charred more than 28 square miles (73 square kilometers) and forced the evacuation of the town of Mayer and other areas as a precaution.
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The fire is the largest in the nation at 78 square miles (201 square kilometers).