There's Only One Clear Winner of an El Niño World Cup
Expect fireworks on the pitch before Mexico and South Africa open the men’s soccer World Cup on June 11, 2026, at Estadio Azteca in Mexico City, officially “Mexico City Stadium” for the tournament…and perhaps thunder above the upper tiers, too.
NOAA's Climate Prediction Center says El Niño, one of Earth's most powerful climate patterns, is likely to emerge during the May-July window this year.
Football's biggest event, staged across the United States, Mexico and Canada, right as the beast of El Niño stirs in the Pacific. It's the kind of natural poetry that sports writers live for.
But an El Niño forecast does not make an El Niño World Cup. In fact, only France 1998 qualifies as holding that crown so far. Will the 2026 contest join it?
The Real El Niño Test
El Niño is the warm phase of the El Niño-Southern Oscillation, a coupled ocean-atmosphere pattern marked by unusually warm surface water in the equatorial Pacific and weaker-than-normal easterly trade winds, according to NOAA.
The agency notes that El Niño typically recurs every two to seven years, often lasts nine to 12 months, and does its heaviest work in winter, especially across the United States, by reshaping temperature and precipitation patterns.
The World Cup mostly lives in the wrong season for El Niño. The 2026 tournament returns to the traditional June-July window, with the opener on June 11 and the final on July 19.
As Climate.gov's plain warning explains, El Niño and La Niña “have weaker impacts during Northern Hemisphere summer than they do in winter.”
A simple yardstick helps with the historical numbers that follow: a reading at or above +0.5°C in the tropical Pacific's Niño-3.4 region marks El Niño, and −0.5°C or below marks La Niña, with anything between counted as neutral.
The legacy Oceanic Niño Index remains useful for comparing past tournaments, because it is still updated for continuity.
For current monitoring, NOAA now uses the Relative Oceanic Niño Index-a call that turns on more than any single number, weighing atmospheric coupling and persistence as well.
That timing means a tournament can fall in a calendar year that contains an El Niño while the matches themselves unfold during a transition, a fade-out, or a regional weather pattern with no clean ENSO fingerprint.
The real test for a true El Niño World Cup asks three things.
Was a genuine El Niño clearly documented, rather than merely sharing a calendar year with the tournament?
Was that event powerful enough to leave a climate imprint reaching into the June-July match window-since the summer calendar keeps virtually every World Cup clear of the winter peak?
And can the relevant anomalies be tied to ENSO rather than to local circulation?
France 1998 Wins
The 1998 World Cup sits in the narrow overlap between a tournament and an event powerful enough to leave fingerprints across the climate system.
NASA describes the 1997-98 El Niño as “among Earth's most powerful phenomena” and says satellite, ship and buoy observations showed it as the strongest on record at the time.
NOAA's Climate Prediction Center reported that strong ENSO conditions developed in May 1997 and persisted through the end of that year and into 1998, with major changes in sea-surface temperatures, tropical rainfall, deep convection and Pacific circulation.
The Oceanic Niño Index puts 1998 in a different category from every other candidate.
NOAA's historical table shows very strong positive values through early 1998-2.2 for December-February, 1.9 for January-March and 1.4 for February-April-before the index relaxed toward neutral by the May-July season.
That fade, by the strict in-window test, should count against 1998 as much as against anyone else.
It does not, for one reason: the 1997-98 event was extreme enough that its imprint outlasted its own peak.
NOAA credits it with helping make 1998 the warmest year of the 20th century and producing what was then the largest one-year jump in global average surface temperature.
No other World Cup has been played inside a climate system so recently and so forcefully reorganized by El Niño.
Other tournaments could stake a claim to be El Niño World Cups, particularly 1982, 2010 and 2014, because each has a plausible surface link to ENSO.
Italy won in 1982, Spain in 2010, and Germany in 2014, and each tournament fell in or near a period that climate trackers associate with warm Pacific conditions. But “near” is doing too much work.
Italy 1982 is premature: the index sat at just +0.7 in the May-July window and only matured into a strong El Niño the following winter. Spain 2010 is the wrong phase entirely-the Pacific had crashed from +1.5 the previous winter to −0.7 by kickoff, with La Niña taking hold.
Germany 2014 is sub-threshold, a +0.2 reading that never reached the +0.5°C line. And the Brazilian drought that year traces, in the research, to a quasi-stationary South Atlantic anticyclone rather than the tropical Pacific.
France, of course, won the tournament in 1998 by beating Brazil 3-0 at Stade de France in Saint-Denis on July 12, 1998, in standard Paris summer conditions of around 23 °C.
The hosts triumphed. An El Niño omen for the U.S., Mexico, or Canada?
Will 2026 Deliver an El Niño World Cup?
NOAA's May 14 discussion placed the ENSO Alert System at El Niño Watch and gave El Niño an 82 percent chance of emerging in May-July 2026, rising to 96 percent for December 2026-February 2027.
The same discussion noted that ENSO-neutral conditions had continued in the prior month and that the latest Niño-3.4 reading was a modest +0.4°C, while cautioning that peak strength remained uncertain.
The timing is almost too neat: NOAA's next ENSO discussion is scheduled for June 11-opening day. And the picture is not all upward.
NOAA's June 1 update noted that positive subsurface temperature anomalies had decreased since late April, even as surface waters remained near-to-above average-a reminder that a watch is a forecast, not a result.
That evidence invites an overreaction about a likely El Niño during a World Cup window, especially for a tournament spread across hot North American summer venues.
Yet NOAA's own discussion adds the crucial caveat: the strongest El Niño events require significant ocean-atmosphere coupling through summer, and even stronger events only make some impacts more likely rather than guaranteeing them.
And a summer El Niño does surprisingly little to the weather fans will actually feel.
Its most dependable North American summer signature is a quieter Atlantic hurricane season-NOAA already forecasts a below-normal 2026 season, driven partly by the developing El Niño-and that effect peaks in late summer and autumn, after the final.
If 2026 delivers match-day heat, storms or travel chaos, those conditions will need local attribution before anyone pins them on El Niño.
The planet's most famous football competition may overlap with the Pacific's most famous climate cycle, but, as scientists like to stress, correlation does not equal causation.
The Unromantic Truth
France remains the clean and undefeated winner of this strange category.
With the exception of Qatar 2022, the men's World Cup normally avoids El Niño's winter peak; the standard June-July calendar keeps almost every tournament away from the season when ENSO teleconnections are strongest.
What sets 1998 apart is that the El Niño preceding it was powerful enough-a record-strength event that helped make the year the warmest of its century-to leave a global imprint still visible when the matches kicked off.
Every other candidate that comes close-1982, 2010, and 2014-was too early, too late, or too weak. The reality is unromantic for fans of both wild weather and soccer.
El Niño can shake the world, but the World Cup usually slips through its calendar.
That won’t stop the French fans from grasping the El Niño connection as an omen for victory this summer.
2026 NEWSWEEK DIGITAL LLC.
This story was originally published June 6, 2026 at 4:00 AM.