Kalamazoo?

"Ten years go by in a flash!"

The story of three girlfriends who go back to Kalamazoo, Michigan for their 10 year high school reunion. There, they discover that a time capsule placed on their graduation night containing predictions would be opened. Horrified at the thought of having their unfulfilled goals made public, the three women decide to find the time capsule and destroy it before it is opened.