"Playing in this temperature is very dangerous." That's Chelsea midfielder Enzo Fernandez — not a climatologist, not an activist — describing what it felt like to nearly collapse during last summer's Club World Cup in the United States. He had to lie down on the pitch because the dizziness hit him mid-play. That tournament was a dress rehearsal for 2026. The main event starts next week.
Thunderstorms knocked out power near Kansas City just hours after Lionel Messi and the Argentine squad checked into their training base. Tornado warnings, flooding, felled trees. That's the welcome. Across 38 days and 16 host cities, it's probably going to get worse.
The heat numbers are not abstract
A 2025 study published in the International Journal of Biometeorology found that 14 of the 16 World Cup host cities are likely to exceed the extreme Wet Bulb Globe Temperature threshold — the index used to measure how the human body actually experiences heat stress, not just what a thermometer reads. In Miami, where seven matches are scheduled, 90-degree air temperatures will feel like 109 degrees once humidity is factored in. At that level, sweating — the body's primary cooling mechanism — stops working properly.
Global June temperatures have risen 1.89 degrees since the first World Cup in 1930, according to NOAA. That doesn't sound dramatic until you consider how many consecutive extreme days are needed to shift a global average by that much.
"We are basically pushing ourselves to a limit," said Kaitlyn Trudeau, senior climate research associate at Climate Central. "This is not a safe environment and we should not be putting people's lives at risk just to watch a game."
FIFA's response has been to add mandatory three-minute hydration breaks midway through each half. Trudeau's response to that: "That's kind of silly." The breaks happen regardless of when games kick off — and FIFA has scheduled 40 of 104 matches, including most knockout games, to start at 3 p.m. local time or earlier. The hottest part of the day. The scheduling decision is a nod to European TV audiences, which tells you where FIFA's priorities sit.
This might be the last World Cup in North America — permanently
Only three of the 16 venues — in Atlanta, Houston, and Arlington, Texas — are domed and climate-controlled. The rest are open-air stadiums baking under a June and July sun. Last summer's Club World Cup saw a half-dozen matches paused or delayed by thunderstorms and lightning across Orlando, Nashville, Cincinnati, Charlotte, and East Rutherford. Norwegian defender Julian Ryerson, who played in that tournament for Borussia Dortmund, put it plainly: "Football is different when you play in this humidity and heat. It is really tough."
Climate projections suggest this 2026 edition will be the last World Cup held in North America, possibly ever. By the time hosting rights could realistically cycle back to the region, conditions would make the tournament — in its current June/July form — unplayable. Not just due to heat, but compounding threats: extreme wind, wildfires, flooding.
FIFA President Gianni Infantino has already opened discussions about shifting future tournaments from June to March or October after 2030. The 2022 Qatar World Cup was moved to November for the same reasons, though even then every match was played in air-conditioned stadiums. The 2030 World Cup, spread across Spain, Portugal, and Morocco — where summer temperatures routinely exceed 95°F — has just one climate-controlled venue lined up.
"We're running out of options," Trudeau said. "Unless we are going to address human-caused climate change, you're going to start losing these things that are culturally important to us."
Some climatologists now believe events like the World Cup and the Olympics are one major heatwave away from a genuine tragedy. The infrastructure exists to water-break and mist-system and cooling-bus the problem into something manageable — for now. But the planet isn't waiting for FIFA's scheduling committee to catch up.
