WWE.com has announced in its five-point preview of tonight's RAW that Shawn Michaels will be at the show.
Regarding HBK's appearance on RAW tonight, WWE.com wrote the following:
With WWE Championship Match special guest referee Shawn Michaels now confirmed by WWE.com to appear on Raw, what twists and turns lie ahead on the path to the place where rivalries are settled? WWE.com has five possibilities for Monday night's Raw.
Michaels is set as the special referee for the Daniel Bryan vs. Randy Orton match at Hell in a Cell.