( CNN ) -- Firefighters Thursday made progress against a massive wildfire 15 miles west of Fort Collins , Colorado , but the blaze was still causing problems , officials said . The High Park Fire , which has consumed 52,000 acres , jumped Highway 14 , prompting the evacuations of 80 residents at Stevens Gulch . Additional residents in the area were on standby to evacuate . A thunder cell created embers on the western perimeter of the fire , officials said Thursday evening . But weather conditions into Friday were expected to aid firefighters . The fire , which has claimed at least one life , was estimated to be 15 % contained Thursday . The blaze was 10 % contained Wednesday . At least 100 structures are confirmed lost , but hundreds of families were anxiously waiting to hear whether their homes survived . Hundreds of firefighters from around the United States are assisting local departments that have been battling the fire . 'Some success , some failure ' in Colorado wildfire fight .
Fire estimated to be 15 % contained . It is burning west of Fort Collins . The fire has burned about 100 acres and was only 5% contained.