Officials stated that Rangers had closed all Yellowstone National Park entrances Monday because of flooding and rockslides.
Officials said that power outages also affected the park's 2.2 million acres, which also includes parts of Wyoming, Montana, and Idaho.
Within the hour before Monday midday, Yellowstone saw more than 2 inches of rain. This included Quadrant, Wyoming (2.68 in), West Yellowstone (Montana (2.11 in), Soda Butte (Montana (2.82in), and Gardiner (Montana (1.29in).
According to a park statement, "With additional rain forecasted the park does not want large quantities of day-use tourists stranded within the park."