Extreme heat expected again at the Grand Canyon after 3 hikers die in heat-related incidents

Extreme heat warnings are in effect at Grand Canyon National Park as three hikers died from heat-related illnesses in June. The National Weather Service forecasts temperatures up to 110°F at Phantom Ranch, with advisories urging visitors to avoid midday hiking. Two deaths occurred on the North Kaibab Trail, and one on the South Kaibab Trail, while a wildfire near Sedona prompted evacuations.