Per: I cannot make the workshop, but thanks for the invite.
You'll find higher likelihood of snow and ice in the Kolob Canyons area, but you've got to walk for the images. There is very little that is roadside. It may just be dumb luck, but I've been in very icy and very snowy conditions both in the main canyon and in the Kolob Canyons the last couple of winters. I got that without really trying for it. Timing is everything.