Grand Canyon Village, Arizona – Extreme heat continues to affect the lower elevations of Grand Canyon National Park, with temperatures reaching 115°F at Phantom Ranch and 106°F at Havasupai Gardens. The Heat Warning is in effect through 7 p.m. Wednesday, July 16, putting visitors at risk for heat-related illnesses.
Affected Areas and Conditions
According to the National Weather Service in Flagstaff, the Extreme Heat Warning applies to areas below 4,000 feet in elevation, including Supai, Grand Canyon Village, and the North Rim. Daytime highs are pushing into dangerous territory for outdoor activity, creating hazardous conditions for anyone not adequately prepared.
Phantom Ranch and Havasupai Gardens are seeing extreme heat. Hikers and campers in these areas are strongly urged to take precautions to avoid heat exhaustion and dehydration.
Recommendations for Visitors
Limit Outdoor Activity:
Day hikers on the Bright Angel Trail should descend no more than 1.5 miles from the upper trailhead.
From 10 a.m. to 4 p.m., physical activity is strongly discouraged due to the extreme heat.
Stay Cool and Hydrated:
Seek shade at Havasupai Gardens or designated campgrounds if you need to rest.
Carry wide-brimmed hats, sunscreen, salty snacks, and plenty of water with electrolytes.
Double calorie intake to maintain energy, as extreme heat can quickly drain your resources.
Watch for Heat Exhaustion:
Emergency responders warn to watch for signs of heat exhaustion, including dizziness, nausea, and heavy sweating.
Make sure to stay hydrated and take breaks frequently, especially during the hottest part of the day.
Life-Threatening Heat
Park officials emphasize that these temperatures are among the highest of the year and can become life-threatening without proper cooling and hydration. Visitors should prepare to handle extreme conditions by carrying enough water, protecting themselves from the sun, and recognizing signs of heat-related illness.
Outlook
The Extreme Heat Warning will remain in effect until 7 p.m. MST Wednesday, with additional advisories possible if the dangerous conditions continue. It’s essential to stay updated on local weather reports and follow all safety recommendations during your visit.