At the end of June, a tragic loss struck Colorado as a fourth firefighter died from injuries sustained while combating the Knowles wildfire. Nathan Matthews, 43, from Lincoln, Nebraska, succumbed to wound-related complications as reported by the U.S. Department of the Interior.

“This is another heartbreaking loss for our wildland fire family,” stated Brian Fennessy, the U.S. Wildland Fire Service Chief.

The deadly Knowles blaze has already claimed the lives of three other firefighters. Intense flames and gusty winds created challenging scenarios, confounding even experienced personnel.

Five firefighters faced a burnover—a scenario where flames propagate swiftly and cut off escape routes—during initial operations fighting the Knowles Fire. This blaze began near Knowles Canyon in Mesa County and intensified due to the Snyder Fire, which erupted in Utah and quickly crossed the Colorado frontier.

The Snyder Fire is currently raging along the Colorado-Utah border, having already consumed over 28,000 acres of land. Three firefighters—Emily Barker, 38, Nick Hutcherson, 27, and Sydney Watson, 27—part of the Rifle Helitack crew, died at the scene while engaged in early operations.

Chief Fennessy expressed collective sorrow, saying, “We mourn the loss of Nate while continuing to grieve the deaths of Emily, Nick, and Sydney. Our hearts are with their families, friends, crewmates, and everyone impacted by this tragedy.” Matthews’ battle ended after receiving treatment for burns, while the identity of the fifth firefighter remains undisclosed.

The Wildland Fire Service is committed to supporting those affected and honoring the sacrifice made by these four brave individuals who served our nation.