McKayla Yvonne Foust, a 29-year-old resident of Watford City, North Dakota, died on August 20, 2026, during a getaway to Cancun, Mexico. She was traveling alongside her husband, Derek Foust, when a tragic accident took her life.
Born McKayla Yvonne Mourer on March 12, 1997, in Jackson Hole, Wyoming, she grew up surrounded by the mountain landscapes of the West. Her parents, Katherine and Rex Mourer, raised her with an appreciation for small-town living and the quiet beauty of nature.
Those who knew McKayla best remember her as someone who felt most at home outdoors. She spent her weekends camping, fishing, and taking photographs in the fresh mountain air. She rarely missed local events and always looked for simple ways to spend time with the people she loved.
Her relationship with her sister, Cassidy, was central to her life. The two sisters built strong family traditions over the years, including annual trips to summer fairs and long late-night car rides with their circle of friends.
McKayla’s passing brings another layer of grief to a family that had already experienced deep hardship. She was preceded in death by her older brother, Jesse Slade Mourer.
A memorial service took place on September 4, 2026, at the Fulkerson Stevenson Funeral Home Chapel in Watford City. Friends, neighbors, and relatives gathered in the chapel to support Derek, Katherine, Rex, Cassidy, and Camden Mourer during a difficult time.
Rather than sending flowers, the family asked community members to make donations to the Family Crisis Shelter in Williston, North Dakota. The request reflects a desire to turn a personal loss into practical help for local women and children who need safety and support.
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