2026 World Cup opens amid warnings that heat could imperil players and fans

Climate Central found climate change has raised the likelihood of performance-impairing heat at 97 of 104 scheduled matches, with nearly half facing over 50% odds of dangerous conditions.prnewswire
World Weather Attribution research warned that about 26 matches could exceed FIFPRO safety limits and five may warrant postponement, nearly double the risk seen during the 1994 U.S. World Cup.reuters
FIFA has mandated three-minute cooling breaks each half and adjusted kickoff times, but some scientists say the measures may not go far enough.weather

World Cup 2026 Faces Dangerous Heat and Severe Weather Risks as Tournament Kicks Off

The largest FIFA World Cup in history opens Thursday in Mexico City under a cloud of concern from climate scientists who warn that extreme heat, suffocating humidity, and severe weather could endanger players and fans across all three host nations.

The tournament, which runs June 11 through July 19 across 16 cities in the United States, Canada, and Mexico, will feature 48 teams playing a record 104 matches — and researchers say a substantial share of those games will be played in conditions that push past established safety thresholds.

Scientists Sound the Alarm

An analysis published in May by World Weather Attribution found that roughly 25 percent of all tournament matches — about 26 games — could be played in conditions exceeding safety limits recommended by global players’ union FIFPRO, with five matches projected to take place under conditions researchers described as unsafe enough to warrant postponement. The risk is nearly double what players faced during the 1994 World Cup in the United States, according to Reuters.reuters

Separately, Climate Central released research finding that climate change has increased the likelihood of performance-impairing heat — defined as temperatures exceeding 82.4°F (28°C) — at 97 of the tournament’s 104 scheduled matches. Nearly half of all matches face at least a 50 percent chance of encountering those conditions.prnewswire

Houston was identified as the city with the most dangerous combination of heat and humidity during June and July, while researchers from a 2024 study flagged Monterrey, Mexico; Arlington, Texas; and Houston as venues where heat index values could reach extreme levels.abcnews

Atlanta Emerges as Key Concern

Atlanta, which will host eight World Cup matches including a semifinal on July 15, faces particular scrutiny. Climate Central found that all eight matches at the Atlanta venue have a greater than 50 percent chance of performance-impairing heat.abcnews

Georgia health agencies and the Fulton County Board of Health have issued public guidance urging fans, workers, and players to take precautions against dangerous heat and humidity. A University of Georgia study warned that workers at southern host cities like Atlanta face elevated risks of heat exhaustion and heat stroke, with even shaded workers at risk of exceeding safe exposure levels.wuga

FIFA’s Response

FIFA has implemented several countermeasures, including mandatory three-minute cooling breaks during each half, adjusted kickoff times in hotter cities, permission for spectators to carry sealed water bottles into stadiums, cooled benches for players, and enhanced medical readiness aligned with real-time conditions. Some teams have already moved training sessions to evening hours to avoid peak daytime heat.youtube

Al Jazeera meteorologist Everton Fox noted that the 2026 tournament could be the hottest since the World Cup’s inception in 1930, and suggested FIFA could have limited matches to northern venues in the U.S. and Canada to reduce risk.aljazeera