CME Term SOFR contracts exist to address this. 1M, 3M, 6M, and 1Y Term SOFR rates are published [1]. A typical 3M LIBOR contract can just substitute it with 3M SOFR without impacting the basic mechanisms, like knowing in advance how much interest you will owe over the next period.

[1] https://www.cmegroup.com/market-data/cme-group-benchmark-adm...