I'm trying to find the title of a movie I saw as a kid. It is a sci fi kids/young adults movie from the 80's, 90's, or very early 2000's about two alien girls (probably sisters-1 teenager age-15-17, the other younger-maybe 10-13) who become stuck or stranded on Earth until they could be picked up by a larger/another ship. They end up at a ranch or farm (that seemed like Oregan or Montana or Colorado or some northern/mid-western state in the US) staying with a family for safety...because they do run into some trouble (I just can't remember what kind).
The girls have hair that change color from a white-ish color to a blonde/darker one, but I don't remember why it changes color. I also remember the older girl has a love interest of a boy around the same age as her who might have been the son of the family they stay with, but might not. I think she bonds with the family over the horses and other ranch work and enters a rodeo type of event or horse racing event (I'm not sure which, but I remember that does factor in somewhere).
The younger girl was kind of random comic relief and was also vaguely in the cowboy type stuff. The girls also had either some powers or technology (possibly even a critter/pet) that allowed them to cause a bit of mischief, but nothing serious (specifically the younger one).
It might have been made in Australia or Canada or it might have been a Disney knock-off or possibly even an actual Disney, but I couldn't find anything like it listed. Any help would be appreciated!