El Niño 2026–2027: Preparedness and Resilience to Protect Development

El Niño is no longer a forecasted risk. Conditions associated with El Niño have been observed in the tropical Pacific since June 2026, and forecasts indicate that the phenomenon will continue to strengthen toward the end of the year and into early 2027, potentially becoming one of the most intense events in recent decades.

The U.S. National Oceanic and Atmospheric Administration (NOAA) maintains an official El Niño Advisory, and current scenarios point to a high-intensity event.

Although impacts vary across countries and territories, experience in Latin America and the Caribbean (LAC) offers a clear lesson: El Niño may be a recurring phenomenon, but its consequences do not have to become recurring crises. Countries that invest in preparedness, risk reduction, and resilience are better equipped to protect people, livelihoods, and development gains. As noted in our earlier blog on preparing for El Niño 2026–2027, acting before impacts occur remains the most effective way to reduce losses.

For this reason, the Inter-American Development Bank (IDB), together with IDB Invest and IDB Lab as part of the IDB Group, through the Ready and Resilient Americas regional program, works with countries to strengthen preparedness for El Niño-related risks and advance more forward-looking risk management.
 

The effects of El Niño are not uniform across the region. While some countries face drought, water scarcity, high temperatures, and wildfires, others experience intense rainfall, flooding, and landslides. Even within a single country, impacts may differ by region or time of year.

However, they share a common challenge: protecting food production, water resources, power generation, infrastructure, livelihoods, and fiscal stability from a broadly foreseeable risk.

This diversity of impacts confirms that there is no one-size-fits-all solution. Preparedness must respond to each country's specific needs and conditions.

This challenge also involves the private sector. Businesses operate a significant share of the region’s productive, logistics, energy, and service infrastructure. El Niño’s impacts can disrupt supply chains, affect investments, reduce productivity, and generate economic losses that cross borders. Strengthening business resilience is thus essential to protect economic development and accelerate recovery after extreme events.

In this context, the IDB Group promotes Ready and Resilient Enterprises (RRE), an IDB Invest platform that helps companies and financial institutions anticipate risks, strengthen response capacity, and mobilize investments in resilience.
 

Extreme events can cause significant damage, losses, economic costs, and pressure on public finances. Having prearranged financing mechanisms allows governments to respond more quickly when an emergency occurs, avoiding delays in mobilizing resources.

In recent years, several countries in the region have secured our Contingent Credit Facility (CCF), an instrument that provides rapid access to liquidity when a covered event is triggered.

Against this backdrop, the IDB Group is advancing actions designed to shift from response management to risk management through a strategy built around two complementary fronts:

1.    Strengthen Preparedness and Financial Coverage

For El Niño 2026–2027, the IDB is working to:

• Amend loan contracts to add drought and wildfire coverage to the CCFs for Honduras, El Salvador, and Panama.
• Strengthen activation protocols for existing CCFs.
• Establish streamlined processes for post-emergency operations.
• Strengthen early warning systems through technical assistance from the Ready and Resilient Americas regional program.

These actions are complemented by information and investment-prioritization tools such as RiskHUB, which help identify risks in sectors such as water, energy, transport, and health, enabling evidence-based decision-making.

In parallel, IDB Invest works with companies, financial institutions, and infrastructure projects to translate risk information into concrete investment decisions. Through RRE, it promotes the use of climate and disaster risk assessments, financial instruments to strengthen resilience, and mechanisms that facilitate business continuity during extreme events. The goal is for preparedness not to be limited to the public sector, but also to strengthen the capacity of the region’s productive sector to adapt and recover.

2. Protect the Most Vulnerable People

When El Niño strikes, rural communities, low-income households, and families that depend on subsistence agriculture suffer the most.

For this reason, adaptive social protection is a central component of the IDB’s strategy. These systems make it possible to rapidly scale-up transfers and assistance to vulnerable households when a climate or economic shock occurs.

In El Salvador, for example, the Bank has a contingent instrument that facilitates assistance to households affected by agricultural losses. Similar initiatives are underway in Honduras and Peru, where social registries, payment mechanisms, and information systems are being strengthened to improve emergency response capacity.

The objective is to ensure that risk information does not remain merely a forecast, but instead leads to concrete actions that protect lives and livelihoods before impacts intensify.

The 2026–2027 El Niño cycle presents an immediate challenge, but also an opportunity to strengthen long-term resilience to risk.

To this end, the IDB Group promotes a programmatic approach that integrates action across recurring ENSO (El Niño–Southern Oscillation) cycles by combining:

• Financial protection: through contingent credit instruments that support sectors such as agriculture, social protection, and energy.
• Resilience investments: through operations focused on resilient infrastructure, early warning systems, water management, and flood control.
• Private-sector mobilization: through financial instruments, technical assistance, and public-private partnerships that enable companies and financial institutions to integrate risk management into their operations, protect critical assets, and develop new investment opportunities linked to the adaptation economy.

This approach seeks to ensure that each event contributes to reducing structural vulnerabilities, strengthening institutions, and improving preparedness for future risks.

International experience shows that resilience is also an opportunity to promote more sustainable and competitive investments. Better-prepared companies can maintain essential operations during a crisis, protect jobs, and contribute to a faster economic recovery. Strengthening business resilience is therefore a fundamental complement to government-led preparedness efforts.

Data, Analysis, and Evidence to Guide Preparedness for El Niño’s Effects

El Niño 2026–2027 is once again testing LAC’s capacity to confront complex climate risks. However, the region enters this event with more experience, better early warning systems, and stronger risk-management capabilities than in previous cycles.

The accumulated evidence shows that acting in advance is more effective and less costly than responding after an emergency. Strengthening financial protection, expanding adaptive social protection, and investing in resilience not only reduce losses, but also protect lives, essential services, fiscal stability, and development gains.

Through the Ready and Resilient Americas regional program, the IDB works with countries to turn anticipation into a development tool. At the same time, through Ready and Resilient Enterprises, it promotes investments, capabilities, and partnerships that strengthen the resilience of companies and financial institutions. Preparing today is the best way to protect lives, livelihoods, and opportunities for the future.