Originally Posted By OregonMouse
I'd be surprised if the nighttime temps up there were only in the 40's. Look at the record lows for the time you're going and take a figure 5 degrees warmer than that. Remember that the average temp is just that--half the time it will be lower!

Certainly in the comparable regions above timberline in the Rockies, it can and will snow and get down to 20*F or below any time during the summer. Been there, done that.


I would be looking at 0F bags myself. But, with the two choices you gave, I would pick the kelty.
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