Zion's West Desert
"It's going to rain," I said to Kenton, who looked up to the sky skeptically. I took my backpack from my shoulders, set it on the ground, and pulled out my tarp. Luckily there were two trees, close enough together and far enough apart to use as supports for my temporary rain structure. I propped the corners up with my trekking poles and then tied the ends down to the ground and anchored those points with a few good sized rocks. As soon as I finished, the rain started with a deluge.
As we sat under my shelter, staying perfectly dry in an all-out downpour, Kenton asked, "How did you know that was going to happen?"