I'm showing summit temps in the 40s starting on Sunday. We are planning to hike up the 28th, camp at trail camp, then summit the 29th and return same day.

I have no experience with crampons but feel comfortable walking in them. I have no experience with an ice axe and if we must go up or down the chute, that's a no go for me.

Can anyone predict with reasonable accuracy if the switchbacks will melt sufficiently by the 29th?