The tribute to Killebrew, which will be free and open to the public, will be emceed by Twins broadcasters Dick Bremer and John Gordon.
Additional speakers will include Commissioner Bud Selig, Hall of Famers Rod Carew and Paul Molitor, Twins legends Jim Kaat and Tony Oliva, as well as current Twins Michael Cuddyer and Justin Morneau.
The event will also include several video tributes, as well as musical tributes from Killebrew's former teammate, Jim "Mudcat" Grant and Jeff Arundel, the author of the Harmon Killebrew song, "The Minnesota Chorale."
The gates to Target Field will open at 6 p.m. CT, and all seating will be general admission. Ballpark concessions will also be open and all attendees will receive a commemorative program.
The Twins are also encouraging fans to show up early, as Killebrew's Hall of Fame plaque will be on display from Noon to 6:30 p.m. on Target Plaza near Killebrew's bronze statue.
Additionally, the Twins will wrap a light rail train with graphics honoring Killebrew, and his former teammates will take the specially-named No. 3 Hiawatha light rail train from the Mall of America to Target Field while picking up additional Twins alumni at the Metrodome.
In lieu of flowers, the Killebrew family is also requesting that fans donate to the Harmon Killebrew Family Memorial Fund; Wells Fargo Acct#3471335038; c/o Minnesota Twins; 1 Twins Way; Minneapolis, MN 55403.