The names should post at the election webpage, which also has the timeline for the election and consecration. There is a note up there, explaining that they are waiting on some background check material. This could imply that there have been late petition candidates, but there's nothing specific at the site.
Lest it sound like I'm just griping, remember that the search committee is composed of folks from all over this vast state, working in winter. Any dispatch of business in South Dakota faces some very real challenges, so a tip of the hat to the folks who have been putting in the miles and hours.