According to the fire tracking app WatchDuty, as of Monday, the fire had burned through over 120,000 acres. However, the blaze is only 16% contained, as dry vegetation and low humidity have made fighting it increasingly difficult.

A wildfire burning near the Grand Canyon has grown into what experts call a “megafire,” and it has even developed its own weather. The Dragon Bravo fire has been burning for a month near the Grand Canyon’s North Rim after it was sparked by lightning on July 4, according to a news release from the Southwest Area Complex Incident Management Team.

The Grand Canyon has been on fire for a month, as crews continue to battle the continental United States' largest wildfire this year.