Sports programs in states in northern climes face a new opponent: Scorching Septembers

On a recent afternoon, it was a crisp 70 degrees on the football field at the high school in this northwestern Montana community less than 200 miles south of the U.S.-Canada border.
On a recent afternoon, it was a crisp 70 degrees on the football field at the high school in this northwestern Montana community less than 200 miles south of the U.S.-Canada border.