The winning button numbers are 511 for the grand prize and 827 for second prize.
First-prize winner gets a basket with $400 worth of gifts and gift cards from Havre businesses.
Second-place winner gets a basket with $200 worth of prizes.
Winners can bring their buttons to the Havre Area Chamber of Commerce office to claim their prizes.
Winning parade floats in Saturday's parade:
Mayor's choice: Triangle Communications.
Best commercial: Hill County Health Department
Best non-commercial: Cub Scouts.