The bruises Bo gets on his face following his fight with Carl the bus driver disappear and reappear several times in the scenes that follow.
When Grace receives a call at the diner that the roads are open, she wakes up Carl and helps him put on his shirt. In the next scene Carl is putting on his shirt again.
The length of Cherie's green scarf changes as Bo wears it during the rodeo.
Virgil has his guitar with him in the jeep on the way to catch the bus but boards without it and later on he plays it on the bus.
When Bo gets on the horse for the Bronc riding event, you see him wrap Cheri's green scarf around his neck, and tie it once. In the reverse shot from the stands, you see him wrap it around and tie it again.
The camera lens that the Life photographer uses at the rodeo is too short a focal length for this sporting event. In addition, a mono-pod or tripod would have typically been used with a long lens for sports photography.
As Bo and Virgil talk in the jeep on the way to catch the bus, their voices clearly echo.
When Cherie exits the bus because the snow is too deep for the bus to continue, heavy snow is falling yet the sky in the background is clear and you can even see a few clouds over the mountains.
Although several sequences were indeed filmed in Phoenix AZ involving 1956 rodeo and rodeo parade, non-rodeo scenes supposedly depicting downtown Phoenix and Cherie's boardinghouse were clearly shot elsewhere - no major thoroughfare in Phoenix has hilly terrain or Victorian style buildings seen in film.
Cheri is repeatedly said to be from the Ozark Mountains, yet her map showing her "direction of life" begins in southwest Arkansas, at least 100 miles south of the southernmost part of the Ozarks.