Notifications can be turned off anytime in the browser settings. With temperatures increasing and humidity decreasing, fuels are drying out and the potential for wildfire ignitions rises daily. Emergency crews responded after a fire alarm went off at the ski lodge, Sun Valley Resort spokeswoman Kelli Lusk told KTVB. Crews plan to reinforce and hold existing fire lines outside of Magic Mountain. "It is standard practice for the ATF to participate in a fire investigation where there is a commercial structure with over $1 million in damage," the mayor said. ", Watch Friday Night Football: 5A SIC playoffs underway, last week of the regular season for 4A-1A, Boise Fall Home Show opens to public after getting the green light. KETCHUM, Idaho -- The Warm Springs Lodge in Ketchum is severely damaged after a fire ripped through the building overnight, burning for more than 12 hours. Campers from the Bull Trout Campground were evacuated as a precaution. BOISE, Idaho (CBS2) — Campers are being evacuated Monday night after lightning sparked a fire in the Boise National Forest. RELATED: Crews expect to contain wildfire near Lucky Peak Reservoir by Sunday night, RELATED: Fire burning in Idaho wilderness area blackens 2,000 acres. "Ketchum Police were the first to arrive and reported 30-foot flames above the building," he said during a press conference Thursday afternoon. Sun Valley Resort wrapped up the ski season Sunday; the lodge has been closed to the public since, officials said. This material may not be published, broadcast, rewritten, or redistributed. The fire began at about 11:20 p.m. Wednesday at the popular lodge, located at the base of Mount Baldy at the Sun Valley Resort. With predicted hot and dry weather expected, fire crews will continue to work to contain the fires over the next few days. The fires, which both started on Monday, July 27, have burned about 150 acres combined. High wind watch for Monday issued for several Idaho counties, Malheur County, Ore. Bogus Basin, Redfish Lake get two inches of snow overnight, Boise State football: Time for Bachmeier 2.0, Crews expect to contain wildfire near Lucky Peak Reservoir by Sunday night, Fire burning in Idaho wilderness area blackens 2,000 acres. The fire is burning in a steep draw with a lot of downed timber making firefighter access challenging. It's damaged almost 90,000 acres since Sept. 12. The cause of the fire has not yet been determined. "It's a very difficult fire to extinguish, because it's up in the cold roof," Fruehling said, referring to the space between the ceiling and the building's roof, a design aimed at melting snow and preventing ice dams from forming. A plume of smoke from a fire in the Boise National Forest. Bradshaw said it is not yet clear whether the building will be a total loss. With temperatures increasing and humidity decreasing, fuels are drying out quickly and the potential for wildfire ignitions rises daily, officials said. Orange flames could still be seen jumping from the roof as the sun came up Thursday. The Golden Fire has burned 30 acres and the cause is still under investigation. Ketchum Fire, the Idaho State Fire Marshal and the Bureau of Alcohol, Tobacco, Firearms and Explosives are investigating. A fire in that confined space is hard for firefighters to reach, he said. According to fire officials, the fire has shown minimal activity and is currently about 41 acres in size. The Warm Fire, which was caused by lightning, is located three miles southwest of the Bull Trout Lake area. Watch Friday Night Football: 5A SIC playoffs underway, last week of the regular season for 4A-1A, Boise Fall Home Show opens to public after getting the green light. The Blaine County Sheriff's Office says the lodge is still an "active fire scene. A road closure on National Forest System road 520 was not put into place. No employees were inside the building when the fire began, and there have been no reports of injuries.