# 2025: Year of Extreme Weather, Corn Disease and Worry in Illinois - Field Advisor

> Illinois experienced a challenging 2025 season with an abnormal March, windy spring conditions, uneven planting from heavy rain, poor soybean stands, and crusting. Some southern counties had significant prevented-planting acres, and disease pressure such as septoria brown spot affected soybeans.

- Date: 2025-12-19 · published 2025-12-19T12:00:00.000Z
- Category: weather · region US · magnitude low
- Page: https://feedsoft.ai/events/13033-2025-year-of-extreme-weather-corn-disease-and-worry-in-illinois-field-advisor
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

Uneven planting and disease losses in Illinois trim local output, but the effect on national supply is limited when offset by strong yields elsewhere.

## Read by commodity

- SOY: bullish ▲
- CORN: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2024-11-13 | [Weather Extremes and Variability in Corn Yield \| Crop Science US](https://feedsoft.ai/events/13137-weather-extremes-and-variability-in-corn-yield-crop-science-us.md) | -0.5% | +1.0% |
| CORN | 2023-06-22 | [Dry Weather and Crop Conditions in Illinois - farmdoc](https://feedsoft.ai/events/13272-dry-weather-and-crop-conditions-in-illinois-farmdoc.md) | -8.7% | -14.9% |
| CORN | 2024-12-27 | [Extreme weather to persist in 2025, raising concerns for agribusiness](https://feedsoft.ai/events/13526-extreme-weather-to-persist-in-2025-raising-concerns-for-agribusiness.md) | -0.5% | +5.6% |
| CORN | 2020-01-04 | [2019 Weather: Floods, Delays, and Disease, Oh My!](https://feedsoft.ai/events/54935-2019-weather-floods-delays-and-disease-oh-my.md) | -0.1% | -0.5% |
| CORN | 2017-07-18 | [Corn market figures in lower yields \| Illinois Extension \| Illinois](https://feedsoft.ai/events/69795-corn-market-figures-in-lower-yields-illinois-extension-illinois.md) | +0.4% | -2.4% |
| SOY | 2023-06-22 | [Dry Weather and Crop Conditions in Illinois - farmdoc](https://feedsoft.ai/events/13272-dry-weather-and-crop-conditions-in-illinois-farmdoc.md) | -4.2% | -1.3% |
| SOY | 2024-12-27 | [Extreme weather to persist in 2025, raising concerns for agribusiness](https://feedsoft.ai/events/13526-extreme-weather-to-persist-in-2025-raising-concerns-for-agribusiness.md) | -0.7% | +5.8% |
| SOY | 2020-01-04 | [2019 Weather: Floods, Delays, and Disease, Oh My!](https://feedsoft.ai/events/54935-2019-weather-floods-delays-and-disease-oh-my.md) | +0.5% | -5.7% |

## Sources

- fieldadvisor.org: https://fieldadvisor.org/2025-year-of-extreme-weather-corn-disease-and-worry-in-illinois/

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