Moraine lake road could close by then which would be a major negative to me. But I’m not sure what your dates are. Moraine Lake cannot be missed.

I would assume you can still get up to lake Agnes since that’s just off lake Louise. We did Parker ridge up near athabasca glacier which I thought was a great short hike. The other short hike we did was to bow glacier falls which was fine but nothing I’d hike to again.

Banff and Canmore will have plenty open still.