Here’s the latest on El Niño in 2026.
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Key update: The World Meteorological Organization (WMO) and other forecasters indicate El Niño is likely to develop in mid-2026, possibly as early as May–July, with a tendency to intensify through the following months. This is based on rising sea-surface temperatures in the equatorial Pacific and model consensus showing a strong event is plausible [sources indicate May–July onset and potential strength].[2][4]
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Global temperature and rainfall implications: El Niño typically raises global average temperatures and alters rainfall patterns. Forecasters expect above-normal land-surface temperatures globally in the near term, with regional variations in rainfall (some regions wetter, others drier) depending on local climate interactions.[4][2]
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Regional impacts and areas of concern:
- Wetter conditions in parts of the southern United States, parts of South America, the Horn of Africa, and central Asia are commonly associated with El Niño.
- Drier conditions are often observed in Australia, Indonesia, and some parts of southern Asia, potentially affecting drought risk and water resources.
- The Atlantic hurricane season can see shifts in activity during El Niño years, though the exact impacts depend on multiple factors and the flavor (location) of the warming.[4]
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Notable caveat: Forecasters caution about the spring predictability barrier, which can make early forecasts less certain. Confidence generally increases after April as models converge and observations accumulate.[4]
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Public and policy relevance for stakeholders in your area (Santa Clara, CA):
- Local temperatures may run above historical norms in peak months, with potential heat stress impacts and higher energy demand.
- California can experience shifts in precipitation patterns, but the strongest rainfall anomalies for El Niño typically manifest in other regions; still, preparedness for extreme weather, heatwaves, and water resource planning remains prudent.[4]
Illustrative example:
- If El Niño strengthens as predicted, you might expect a warmer-than-average year globally, with higher odds of sustained heat events and altered storm tracks during the boreal winter, affecting weather risk management and adaptation planning worldwide.[4]
Would you like a concise briefing tailored to Santa Clara (weather outlook, potential rainfall, and heat risk for the upcoming months), or a summarized set of credible sources with dates for a quick briefing to share with colleagues? I can also provide a short chart-style outline of expected timing and regional impacts.
Sources
According to the latest forecast from the National Oceanic and Atmospheric Administration (NOAA), there is a 50–60% chance that the El Niño phenomenon will form in the period from July to September 2026. Illustration The return of "the boy" – the Spanish term for El Niño – occurs in the context of already very high global temperatures due to climate change. Experts warn that if this scenario occurs, the world may enter a more extreme and severe weather cycle. El Niño and La Niña are two...
www.tridge.com"After a period of neutral conditions at the start of the year, climate models are now strongly aligned, and there is high confidence in the onset of El Nino, followed by further intensification in the months that follow," said Wilfran Moufouma Okia, chief of climate prediction at WMO in the press release.
english.news.cnWith a 50-60% chance of El Niño returning in 2026, could the planet face another record-hot year? Learn how this weather phenomenon works and its global impact.
newsable.asianetnews.comForecasters predict the return of El Niño weather from as early as May
www.independent.co.ukThe weather phenomenon known as El Niño could form later this year, potentially pushing global temperatures to record heights, researchers say.
www.cbsnews.comThe El Niño weather phenomenon, which pushed global temperatures to record highs the last time around, is expected to return in mid-2026, the UN said Friday.
phys.orgWMO report indicates El Nino's likely return by mid-2026, with models suggesting a strong event. It forecasts above-normal global temperatures and impacts on rainfall, with India's IMD predicting a below-normal monsoon this year.
newsable.asianetnews.comThe warming El Niño weather phenomenon could form later this year, potentially pushing global temperatures to record heights.
phys.org