Climate scientists warn that a ‘super’ El Niño could trigger extreme heat during the 2026 FIFA World Cup [1].
The timing of the climate event coincides with the tournament's schedule, potentially endangering the health of athletes and spectators across three countries. Because El Niño intensifies global temperatures, the phenomenon increases the likelihood of severe heat waves during the summer months [1, 5].
The 2026 World Cup is scheduled to take place from June to August 2026 [2]. Host cities across the U.S., Mexico, and Canada are expected to face these heightened temperatures [4]. Meteorological agencies, including the European Centre for Medium-Range Weather Forecasts (ECMWF), are monitoring the situation as the event develops [1].
Projections indicate that El Niño will reach its peak intensity in August 2026 [3]. This peak aligns with the final stages of the tournament, which could lead to dangerous conditions during the most critical matches. The risk is not a new discovery; a report detailing heat risks for the specific World Cup venues was published as early as Sept. 9, 2024 [2].
Scientists said the combination of a super El Niño and existing global temperature trends could create a volatile environment for outdoor sports. The heat could affect player performance and increase the risk of heatstroke among fans in the stands [4].
While the tournament organizers have not yet detailed specific mitigation strategies for this particular climate cycle, the warning emphasizes the need for robust cooling infrastructure. The scale of the event — spanning three nations — means that local weather variations will be significant, but the overarching trend of extreme heat remains a primary concern for the region [1, 4].
“A ‘super’ El Niño could trigger extreme heat during the 2026 FIFA World Cup”
The intersection of a high-intensity El Niño event and a global sporting event of this scale creates a significant public health challenge. If peak temperatures align with the tournament's final matches in August, organizers may be forced to alter kickoff times or implement emergency cooling protocols to prevent heat-related casualties among participants and millions of attendees.
