Carrying heated gear at the higher elevations always suggested. Things can change rapidly. As for Yellowstone and Beartooth, those are much farther north and winter can strike anytime. Go to Glacier and it’s really a different world!!!

Once we rode for a week plus in Alberta and BC the second half of August. The coldest night we had was on the way home in Pinedale, Wyoming, south of the Tetons. Our bikes were white with heavy frost!

Rocky Mountains: Be prepared!