Originally Posted by blaisew
I have been planning on using my 25 degree Western Mountaineering bag on this trip, but then I read "-15 degrees"; is it liable to be that cold? I've been up there in July, but not the end of August, and never spent the night that high. Would those that have fill us in on what to expect? If I need a warmer bag, I want to start shopping soon. I'm sure I would be comfortable in my WM 25 to below 25 F with some extra layers.
I thought my 15 degree down was perfect. My son has taken his 30 degree bag on a couple of summer trips in the Rocky's and he was cold.
Even in August, at 10k and higher....it is not uncommon to drop into the 20's and for flakes to fall.