Fallon tapes next Sunday night at the Detroit Opera House for airing the next night in the usual time slot on NBC (and streaming Tuesday on Peacock)--it's part of a promotion between Ford and NBC, no guests yet to be announced, there is already a waiting list for tickets:
Yes, he is missing the Emmys, but perhaps his nominations (guest performer on "SNL 50" and a short-form series for I assume YouTube built on what goes on during the commercials) were in the Creative Arts ceremonies.