# PR 2026/27 harvest: excess rain worries soybean and wheat fields

> Deral reports that excess rain in Paraná has waterlogged soils, reduced light and kept temperatures low, causing emergence failures and slow early growth in soybeans. Winter crops including wheat, barley and oats have seen lower yields and grain quality, and storms and hail have caused partial and total losses in some areas.

- Date: 2026-11-03 · published 2026-11-03T21:13:11.779Z
- Category: weather · region Brazil · magnitude medium
- Page: https://feedsoft.ai/events/78447-pr-2026-27-harvest-excess-rain-worries-soybean-and-wheat-fields
- Commodities: [Soybeans](https://feedsoft.ai/c/SOY.md), [Wheat (SRW)](https://feedsoft.ai/c/WHEAT.md)

## Why it matters

Lower wheat quality and possible soybean stand losses in a key southern state add to the upside risk for domestic Brazilian wheat and soybean supply, and may tighten feed grain availability.

## Read by commodity

- SOY: bullish ▲
- WHEAT: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| SOY | 2024-03-27 | [Excessive rain and dry periods affect the soybean harvest in the South and Central-West - Revista Cultivar](https://feedsoft.ai/events/13583-excessive-rain-and-dry-periods-affect-the-soybean-harvest-in-the-south-and.md) | -1.4% | -2.8% |
| SOY | 2018-10-16 | [Excess rainfall mars harvest of large soybean, corn crops \| 2018-10-16  \| Food Business News](https://feedsoft.ai/events/62378-excess-rainfall-mars-harvest-of-large-soybean-corn-crops-2018-10-16-food.md) | -3.7% | -2.2% |
| SOY | 2025-05-08 | [RS 2024/25 Harvest: soybean harvest progresses, but losses in the field are a concern - Cultivar Magazine](https://feedsoft.ai/events/13496-rs-2024-25-harvest-soybean-harvest-progresses-but-losses-in-the-field-are-a.md) | +3.5% | +2.1% |
| SOY | 2022-02-28 | [Soybean Prices Rise as South American Drought Reduces Harvest \| Feed & Grain](https://feedsoft.ai/events/14055-soybean-prices-rise-as-south-american-drought-reduces-harvest-feed-and-grain.md) | +5.4% | +7.5% |
| SOY | 2018-03-05 | [U.S. grains: Wheat, soybeans firm - Alberta Farmer Express](https://feedsoft.ai/events/12437-u-s-grains-wheat-soybeans-firm-alberta-farmer-express.md) | -3.0% | -2.4% |
| WHEAT | 2018-08-02 | [Heatwave ravages European fields, sending wheat prices soaring - Grainews](https://feedsoft.ai/events/9685-heatwave-ravages-european-fields-sending-wheat-prices-soaring-grainews.md) | +3.5% | +1.5% |
| WHEAT | 2018-03-05 | [U.S. grains: Wheat, soybeans firm - Alberta Farmer Express](https://feedsoft.ai/events/12437-u-s-grains-wheat-soybeans-firm-alberta-farmer-express.md) | +0.8% | +0.6% |
| WHEAT | 2026-07-17 | [IGC Reports Heatwaves in Europe Lower 2026/27 Global Cereal Harvest; Soybean and Rice Outlooks Adjusted \| Tridge Insights](https://feedsoft.ai/events/18398-igc-reports-heatwaves-in-europe-lower-2026-27-global-cereal-harvest-soybean-and.md) | +3.5% | -0.2% |

## Sources

- revistacultivar.com.br: https://revistacultivar.com.br/noticias/pr-safra-2026-27-excesso-de-chuvas-preocupa-lavouras-de-soja-e-trigo

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.