A comprehensive analysis of historical weather data and official policies reveals that the 2026 FIFA World Cup, co-hosted by the United States, Canada, and Mexico, faces significant heat-related challenges. Organizers have implemented mandatory cooling breaks for players, while spectators will have access to various cooling measures across host venues.
Heat Risk Assessment
An NPR analysis of 20 years of temperature data from host cities found that 39 of 104 World Cup matches are at high risk for dangerously hot and humid conditions. An additional 28 matches are at moderate risk.
High-risk matches include the third-place game and the final, scheduled for 3 p.m. on July 19 at an uncovered stadium near New York City.
Miami, Houston, Dallas, and Atlanta recorded the highest average temperatures during scheduled match times, reaching up to 84°F. Stadiums in these cities feature air conditioning. Philadelphia, New Jersey, and Kansas City (MO) recorded average temperatures up to 79°F and do not have stadium roofs.
The analysis used wet bulb globe temperature (WBGT) to measure heat risk, which accounts for humidity, shade, and solar radiation. OSHA and American College of Sports Medicine heat guidelines served as benchmarks.
Player Safety Measures
FIFA has introduced mandatory three-minute hydration breaks midway through each half of every match, regardless of stadium temperature or conditions. The policy aims to mitigate the risk of exertional heat illness, including heat stroke.
Scientific experts have offered varying perspectives on the break duration:
- Joshua L. DeVincenzo (Columbia University) stated the breaks aim to prevent emergencies.
- Yuri Hosokawa (Waseda University) noted heat stroke symptoms include confusion and loss of consciousness; she co-signed a letter recommending six-minute breaks.
- Douglas Casa (University of Connecticut) stated aggressive cooling methods, such as cold towels, can reduce body temperature by approximately 0.22°F per minute.
- Bharat Venkat (UCLA) stated break duration should vary by individual and that rest is essential for allowing the body to cool.
FIFA stated it scheduled games for cooler hours, added water breaks, and installed sideline air conditioning for bench personnel.
Spectator Safety and Precautions
Fans in the United States and Canada may bring one factory-sealed water bottle into stadiums. Venues will provide shaded areas, misting systems, cooling buses, and water distribution stations. In Mexico, water must be purchased. Policies vary at Fan Fest locations.
Medical professionals recommend:
- Drinking water to replace fluids lost through sweating
- Avoiding alcohol, which causes dehydration and reduces awareness of heat illness symptoms
- Using umbrellas, hats, and loose-fitting clothing for sun protection
- Identifying medical station locations before events
Heat illness symptoms include thirst, headache, nausea, dizziness, weakness, irritability, and decreased urine output.
Weather-Related Match Disruptions
The match between France and Iraq in Philadelphia was delayed by two hours due to heavy rain and thunderstorms. The delay occurred at halftime, with France leading 1-0.
FIFA's protocol mandates a 30-minute pause if lightning is detected within 12.9 kilometers (8 miles), with each strike resetting the clock. The match resumed after conditions improved.
Despite the rain and delay, mandatory three-minute hydration breaks continued during the match. Heavy rain also occurred before the match between Norway and Senegal in New Jersey, but that match kicked off on time after the stadium seating area was briefly cleared.
World Cup regulations state that if a match is abandoned due to force majeure after kickoff, it will recommence from the minute of interruption with the same scoreline. FIFA retains the right to cancel, reschedule, or relocate matches for safety or security reasons.
Context and Background
Hot and humid weather caused health emergencies at U.S. matches in 2024, including a referee collapsing in Kansas City (KS) and a player leaving a Miami match due to dizziness and dehydration. The 2022 World Cup in Qatar was held in winter due to heat concerns.
The global players' union FIFPRO has expressed concern about player safety. Climate data indicates the last ten years were the hottest decade on record across North America.
Worker and Spectator Risk Factors
Approximately 6 million tickets are available for the tournament. The U.S. federal government is spending $625 million on local security, including police overtime.
OSHA recommends water and shade breaks for workers. Some states, including Florida, lack enforcement laws regarding these requirements.
Past heat-related incidents cited in reports include a death at a Taylor Swift concert in Brazil (2023) and over 1,300 deaths during the Hajj in Saudi Arabia (2024) during heat waves.