Firefighters are battling the blaze in Fishlake national park that was stoked by strong winds and low humidity Hundreds of firefighters in Utah have struggled to suppress a wildfire that scorched an additional 20,000 acres (8,000 hectares) as of Saturday, as low humidity and strong winds accelerated the fire spread, according to state officials. The Cottonwood fire erupted on Monday in the Fishlake national forest, located in central Utah. The blaze intensified overnight, growing from about 70,000 acres (28,000 hectares) to more than 92,000 acres (37,000 hectares) on Saturday morning, according to the US Forest Service.