Lee & Lifeson have said more than once that while they don't rule out working together in some capacity it won't be Rush as they can't call themselves that without Peart. So it's beyond 'probably'.
Touched to read they did YYZ as it was Hawkins's favourite Rush track.
yes did YYZ with a backdrop picture of Taylor and Neil, sitting together smiling...for a 55 year old, brought a large lump to my throat