Day 19 – 9/18 Yellowstone: Old Faithful, Grand Prismatic, West Thumb It’s 33F outside this morning, but it is not as cold as we felt in Rapid City inside, so I think the fast temp drop impacts the inside temp much slower, so our stay here will be fine even when… Read more → Share this:Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)MoreClick to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)