Officials at fire command say Tuesday's winds and high temperatures are making fighting the Pony Fire more difficult.
"It's very frustrating to be honest. And where I get frustrated is right now we have some evacuations in effect in Mammoth and I know those folks are excited to get home. I want to get those folks home as soon as possible and this just hangs it up," said Operations Section Chief Roger Staats.
Fire officials have been relying heavily on air support to put out the flames.
High winds can ground helicopters.
"We see the opportunity, we're losing this opportunity because of the red flag warning and we just would love to wrap this up as fast as possible," Staats said.
Staats said although they have some control of the blaze, the weather could change that quickly.
"It does put a little wrench in some opportunities that we do have. Where those wrenches are is over in our division x-ray, which is adjacent to the community of Mammoth. Today we were preparing to complete a burnout operation, with this type of wind, low humidities, we will not be attempting that. So that will put us behind," he said.