On February 11, 2022, the Iowa Supreme Court entered an order ending the mask mandate in courtrooms across the state. Individuals entering court-controlled areas are no longer required to wear face coverings. However, judges retain the discretion to require face coverings in their courtroom.
To read the Iowa Supreme Court’s Order in its entirety see:
https://www.iowacourts.gov/collections/724/files/1513/embedDocument/