Closing Library Closed for Memorial Day All Day 5/26 - 5/27 May 26 - 27 2019 Closing Library Closed for Memorial Day All Day 5/26 - 5/27 Branches: Sun Prairie Public Library Description: The library will be closed Sunday, May 26 and Monday, May 27 for Memorial Day. The Dream Bus mobile library will offer book mobile services from our parking lot from 1 - 3 p.m. on Sunday, May 26.