Wildfires burning at the Grand Canyon and in Utah are so hot that they're spurring the formation of "fire clouds" that can create their own erratic weather systems.

The Dragon Bravo Fire exploded in size along the Grand Canyon’s North Rim this week as heat and strong winds drove the growth.

What Travelers Need to Know About the Fire Raging at the Grand Canyon While the Dragon Bravo Fire has burned more than 123,000 acres, much of the surrounding national park remains open.