Where does winn dixie hide?

In the book "Because of Winn-Dixie" by Kate DiCamillo, Winn-Dixie, the dog, initially hides in a grocery store during a storm. The main character, Opal, finds him there, and he becomes her companion. Throughout the story, Winn-Dixie's presence helps Opal connect with her new community and overcome her feelings of loneliness.