The article examines the growing concern among climate scientists that a strong El Niño developing in 2026 could intensify extreme weather across the globe, atop an already warming climate. Forecasters expect El Niño to form possibly as early as this month, with some models signaling a particularly powerful event.
When combined with human-caused warming, this pattern could push 2026 toward record-high global temperatures, echoing the record set in 2024. Researchers warn that the resulting weather extremes could manifest as hotter heatwaves, more intense fires and droughts in some regions, and stronger storms and floods in others.
Forecasts for a potential strong El Niño in 2026 and what it means
Experts caution that a robust El Niño could amplify the earth’s already warming baseline, raising the risk of unprecedented heat in many regions. Meteorologists are closely watching Pacific Ocean warming signals, which historically drive significant shifts in global weather patterns.
The timing and strength of El Niño are critical, because a powerful event can last beyond the initial months, extending its influence into following seasons. Forecast timelines and model consensus suggest El Niño could be declared in the near term, with some forecasts indicating a rapid intensification.
The precise strength remains uncertain, but several projections point toward a substantial anomaly in sea surface temperatures that would shape regional climates across continents.
Regional consequences: fires, droughts, floods, and heat
In a warming world, El Niño tends to shift weather extremes in predictable yet regionally diverse ways. A strong El Niño would likely intensify fire seasons in Australia, parts of North America, and the Amazon, while exacerbating drought risks in some regions and increasing storminess and flooding in others.
These dynamics could strain water resources, agriculture, and infrastructure just as communities are already adapting to climate change. World Weather Attribution scientists highlight that 2026 has already shown extraordinary extremes, including unusually high sea surface temperatures and near-record lows in Arctic sea ice for consecutive years.
A March heatwave in the United States was described as virtually impossible without human-driven climate change, underscoring how quickly the baseline climate is shifting. Fire activity has surged globally, with record-burning in January–April spanning West Africa, the Sahel, India, Southeast Asia, and parts of China.
What a strong El Niño could mean on the ground includes hotter temperatures, longer droughts, and more severe fire weather in some regions. Other areas may experience more intense precipitation and flooding events due to altered storm tracks.
Preparedness and resilience measures will be critical as forecasts sharpen for late spring and beyond.
The role of human-caused climate change in shaping El Niño risks
Scientists emphasize that anthropogenic warming does not create El Niño, but it intensifies its impacts. The combination of a strong El Niño with a warming baseline raises the probability of record heat years and magnifies the severity of climate extremes.
The 2024 record average temperature of about 1.55°C above preindustrial levels demonstrates how El Niño years can act as amplifiers within an already warmer system. Advocates and researchers from World Weather Attribution teams stress that the 2026 signals are consistent with a climate system that is more prone to extreme events when forced by internal variability like El Niño.
This context helps explain why events such as heatwaves, droughts, and wildfires are appearing with greater frequency and intensity than in past decades.
Outlook and actions: what to expect and how to prepare
The World Meteorological Organization (WMO) plans to issue an updated El Niño outlook in late May. This outlook will guide preparedness and protection measures for governments, businesses, and communities.
This outlook will help authorities anticipate shifts in weather patterns. It will also support resource allocation and adaptation strategies for at-risk regions.
To translate forecast into action, preparedness should include:
- Strengthening early-warning systems for heatwaves, floods, and fires
- Enhancing water management and drought resilience in vulnerable basins
- Supporting agricultural adaptation to shifting rainfall and temperature regimes
- Investing in wildfire mitigation, forest health, and community planning
Here is the source article for this story: Scientists warn El Niño could intensify climate extremes in 2026