How Extreme Heat Can Impact Players at the FIFA World Cup

The heat is on.
The FIFA World Cup 2026 could be the hottest tournament on record as internationally acclaimed athletes face off in 16 stadiums across the United States, Mexico, and Canada during sweltering summer months.
As the temperature rises, so do the stakes: A team’s performance could take a hit if its athletes do not properly prepare for the mental and physical pressure cooker of the multi-week sporting event, health experts warned.
Only four venues—Dallas, Houston, Atlanta, and Vancouver, Canada—have rooftops with air-conditioning, while the rest of the stadiums will leave soccer superfans and professional players feeling the heat during the steamy season in places like Miami, where the average high in July can reach the low 90s, climate data show….