6 People Die After Storm Causes Montana Highway Pileup

Traffic is backed up on Interstate 90 after a fatal pileup where at least 20 vehicles crashed near Hardin, Mont., on July 15, 2022. Amy Lynn Nelson/The Billings Gazette via AP

Six people have died after a dust storm fueled by wind gusts topping 60 mph caused a pileup Friday evening on Interstate 90 in Montana, authorities said.

Twenty-one vehicles crashed and Montana Highway Patrol Sgt. Jay Nelson said authorities believe the weather was the cause.