* Not officially announced by the USFA due to the federal government shutdown, but likely, based on similar past on-duty deaths.
By Bill Carey
29 September 2025
GRANGEVILLE, Idaho — A seasonal Idaho Department of Lands firefighter died on Sept. 26, after being struck by a falling tree while assisting on a U.S. Forest Service prescribed burn in northern Idaho, officials said.
KTVB reported the firefighter, identified as Isabella Oscarson of Minnesota, was injured on the Tinker Bugs prescribed fire in the Nez Perce–Clearwater National Forests, evacuated, and flown to Grangeville, where she later died.
Gov. Brad Little ordered flags at half-staff until the day after her memorial, noting that Idaho is mourning the loss of wildland firefighter Isabella Oscarson and extending condolences to her family and the Idaho Department of Lands team.
The number of on-duty deaths for 2025 is currently 66.
Go here to read the number of interior line of duty deaths for 2025.
Fatality status is provisional and may change as USFA contacts State Fire Marshals to verify fatality incident information.
For more information about on-duty deaths as recorded by the United States Fire Administration go to “Firefighter Fatalities in the United States.”
Photo courtesy of Idaho Department of Lands/Facebook.