Cotton buyers face a 2026/27 season shaped by unusually severe weather risk. A strengthened El Niño weather event could disrupt cotton production across major growing regions, hitting countries that account for roughly half of global cotton output.

The expected event brings a combination of extreme heat, drought, heavy rainfall and flooding to those producing countries, according to the report. For sourcing teams, that spread of hazards matters more than the headline: different origins face different failure modes, and not all of them show up in the same buying window.

Drought and heat stress typically reduce yields and degrade fibre quality, which affects staple length and grade at the ginning stage. Heavy rainfall and flooding, by contrast, can delay planting, interrupt harvesting and damage fibre already in the field. A single El Niño episode can therefore hit one origin with the first problem and another with the second in the same season.

The stakes are high because cotton production is concentrated. Roughly half of global supply comes from the regions now in the path of the projected weather extremes. A coordinated production shock at that scale would tighten availability of specific origins and grades, not just raise the average price index.

The report attributes the severity of the current event to climate change, which it says has supercharged the ongoing El Niño. Whether or not buyers accept that framing, the operational consequence stands: weather-driven supply volatility is appearing at a frequency and intensity that standard sourcing buffers were not built for.

For apparel and textile supply chains, the exposure runs first through spinning capacity in the affected origins and the countries that import their raw cotton. Yarn mills sourcing from multiple origins within the at-risk half of global production have little diversification left within that set. Mill buyers outside the affected regions will compete for the other half of supply, which bids up prices for fibre that is physically unaffected.

Timing compounds the problem. The 2026/27 season is still ahead, which means contracting decisions made now — origin selection, staple length commitments, forward pricing — are being made against a forecast, not a confirmed crop loss. Buyers who wait for confirmation of damage will be competing in a thinner market.

The risk is not uniform across the industry. Vertically integrated mills with long-position cotton and multi-origin books can absorb an origin-specific shock. Commission spinners and smaller garment manufacturers buying yarn on shorter terms carry the price and availability risk directly, and pass it into garment costing with a lag of one to two quarters.

For sourcing directors, the decision this news forces is concrete. Treat 2026/27 cotton contracts as weather-exposed positions: stress-test origin mixes against the specific El Niño hazards each region faces, extend coverage on unaffected origins before the forecast firms into a crop number, and confirm with spinners whether quality parameters in existing contracts can be met if the affected origins deliver drought- or flood-degraded fibre. Buyers who do not act now will be pricing the same risk later, at a higher cost.