Grand Canyon, National Park Service
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The NWS warning was in effect for regions of the Grand Canyon below 4,000 feet elevation. Temperatures were forecast to potentially reach 110 degrees at Phantom Ranch and 102 at Havasupai Gardens.
After the Dragon Bravo fire destroyed the historic lodge and other buildings on the night of the eleventh, Horning noticed on his phone app that two helicopters began water drops on the morning of the twelfth and slurry drops began on the thirteenth.
Authorities maintained the evacuation zones for the White Sage Fire north of the Grand Canyon as the fire grew expectantly.
Hiker dies in Grand Canyon as park warns of dangerous temperatures - The National Parks Service warns daytime temperatures at the Grand Canyon can top 120°F, ‘significantly increasing the risk of heat