A 33-year-old hiker, Noah Farabaugh, died while four others were rescued in the Superstition Mountains, Arizona, amid extreme heat exceeding 100 degrees on Sunday. The hikers experienced heat-related issues after six hours on the trail, prompting a rescue operation by Superstition Fire and Medical, with the other four refusing hospital treatment. Authorities have warned against hiking in such conditions, emphasizing the rapid onset of heat illness even for experienced hikers.