Snow covers the ground the night of the big party in Mendocino, and the roads are frozen over with ice. The next morning, the snow and ice have disappeared from the landscape.
When Shauna pulls up to the curb at the beginning of the movie, her front right tire touches the curb while the back tire is several feet away from the curb. When the camera cuts away to show Shauna and Hillary walking into the building, the car is parked parallel to the curb.