With the yard clear I let the engine in the mower cool down a little and drained the oil. I refilled with Mobil 1 15w50 which is heavier than the 5w40 I usually use but won't cause any issues. I'll let it warm up a little longer next year before really putting load on the engine.
I use blue painters tape to remind me when the oil was changed, I like to change it before putting the mower into storage but I don't always get the opportunity. The painters tape removes easily when I do the next change. I do the same thing with the snowblower. Now I just need to find time to pull out the snowblower and push the Snapper back into that spot.