National Park Service, Grand Canyon Lodge
Digest more
A rapidly spreading wildfire at Grand Canyon National Park in Arizona has forced the closure of part of the popular destination known for its landscape.
A new emergency system for the Grand Canyon is getting life-saving messages to people with little cellphone service.
Wildfires burning at or near the Grand Canyon's North Rim are still raging as strong winds, high heat and low humidity persist.
The NPS recommends avoiding hiking the Grand Canyon's inner trails between 10 a.m. and 4 p.m., when temperatures are at their peak. Temperatures in the inner canyon can reach over 120 degrees Fahrenheit in the shade, creating "extremely hazardous conditions for hikers," the NPS said.