Wow, making it hard, Mike. They're all super. But, forcing myself, I'd say #2 and then #4. They speak most to me of the pending storm. I'd want to highlight the storm not just cloudy skies.
My wife instructed me to use the "enforced down time" to locate photos for her to use in a wall display. I have been going through various trips. I would appreciate your advice as to which shots would work best on the wall.
The attached set is from a 2018 tour in which we arrived at Capitol Reel National Park as the sun was setting and storm clouds were coming in.