The extreme heat poses risks to players, officials, and spectators, including dehydration, heat stroke, and reduced cognitive performance. Players may experience increased heart rates and body temperatures, impacting their physical and tactical performance. Spectators, especially in outdoor venues, face potential health risks from prolonged exposure to high temperatures. Nations like Uruguay, France, and the Czech Republic are expected to face the most challenging environmental conditions, combining heat and altitude stress. Conversely, teams like England and Portugal have relatively favorable conditions, with fewer games in extreme heat or high altitudes.