# Dry weather in the US and increased rainfall in central Brazil will be the main weather factors affecting corn and soybean prices in the coming weeks

> Warmer, drier weather is forecast across the US Midwest and Plains, which is expected to help finish the late-crop harvest and could support higher USDA crop estimates. Rain is forecast to improve soil moisture in central Brazil, while Argentina has also received beneficial rainfall ahead of soybean planting.

- Date: 2026-11-09 · published 2026-11-09T12:13:40.527Z
- Category: weather · region US and South America · magnitude medium
- Page: https://feedsoft.ai/events/89403-dry-weather-in-the-us-and-increased-rainfall-in-central-brazil-will-be-the-main
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

Easier US harvest conditions and improved South American crop moisture could reduce production-risk premiums for corn and soybeans, though the article describes weather developments with opposing regional effects.

## Read by commodity

- SOY: bearish ▼
- CORN: bearish ▼

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2026-08-31 | [Dry weather favors corn and cotton harvest in Brazil - Cultivar Magazine](https://feedsoft.ai/events/13423-dry-weather-favors-corn-and-cotton-harvest-in-brazil-cultivar-magazine.md) | -0.3% | +2.6% |
| CORN | 2022-06-23 | [Corn, Soybeans and Wheat Prices Plummet Thursday, Weather is Only Part of the Reason Why - AgWeb](https://feedsoft.ai/events/12698-corn-soybeans-and-wheat-prices-plummet-thursday-weather-is-only-part-of-the.md) | +1.6% | -10.7% |
| CORN | 2025-02-25 | [Brazil’s soybean harvest, safrinha corn-planting accelerate - Grain Central](https://feedsoft.ai/events/13513-brazil-s-soybean-harvest-safrinha-corn-planting-accelerate-grain-central.md) | -5.8% | +0.2% |
| CORN | 2026-03-24 | [Brazilian Rainfall Patterns Boost Second-Crop Corn and Cotton While Challenging Soybean Harvest \| Tridge Insights](https://feedsoft.ai/events/13446-brazilian-rainfall-patterns-boost-second-crop-corn-and-cotton-while-challenging.md) | -0.8% | -0.7% |
| CORN | 2025-10-22 | [Favorable weather accelerates South American soybean and corn planting - Brownfield Ag News](https://feedsoft.ai/events/13470-favorable-weather-accelerates-south-american-soybean-and-corn-planting.md) | +2.0% | +4.9% |
| SOY | 2022-06-23 | [Corn, Soybeans and Wheat Prices Plummet Thursday, Weather is Only Part of the Reason Why - AgWeb](https://feedsoft.ai/events/12698-corn-soybeans-and-wheat-prices-plummet-thursday-weather-is-only-part-of-the.md) | +1.3% | -14.2% |
| SOY | 2026-02-13 | [Weather favors Brazil’s soybean crop \| World Grain](https://feedsoft.ai/events/13448-weather-favors-brazil-s-soybean-crop-world-grain.md) | +0.0% | +6.5% |
| SOY | 2025-02-25 | [Brazil’s soybean harvest, safrinha corn-planting accelerate - Grain Central](https://feedsoft.ai/events/13513-brazil-s-soybean-harvest-safrinha-corn-planting-accelerate-grain-central.md) | -3.0% | -2.1% |

## Sources

- graintrade.com.ua: https://graintrade.com.ua/en/novosti/suha-pogoda-u-ssha-ta-posilennya-opadiv-u-tcentralnij-brazilii-budut-osnovnimi-pogodnimi-c.html

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