NEW: There is no same-day voter registration in Mississippi; voters must register 30 days before an election.

But local election officials are free to move polling precincts around—even 13 hours before an election.

And two just moved in Hinds County.
https://www.mississippifreepress.org/35330/hinds-county-moves-two-polling-places-hours-before-polls-open

Hinds County Moves Two Polling Places Hours Before Polls Open

Just shy of 6 p.m. Monday, Hinds County officials announced that they were moving two precincts just over 13 hours before polls open.

Mississippi Free Press
@ashton Old Capitol Inn is located immediately next door to the Eudora Welty Library. The latter has had building stability issues for a while, and is closed at the moment.