# Good harvest — but heat, disease prevented great one | Agriculture | nwestiowa.com

> Iowa and South Dakota harvest results were good but below expectations after heat and disease. Soybean field averages ran from the upper 60s to mid-80s bushels, while corn yields ranged from 190 to 250 bushels after July storms caused root lodging and green snap.

- Date: 2025-10-27 · published 2025-10-27T12:00:00.000Z
- Category: weather · region US · magnitude low
- Page: https://feedsoft.ai/events/13052-good-harvest-but-heat-disease-prevented-great-one-agriculture-nwestiowa-com
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

Storm damage and heat trimmed corn yields, which is a modest supply-side support for corn prices.

## Read by commodity

- SOY: neutral
- CORN: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2024-06-20 | [Extreme heat wave raises concerns around US corn harvest \| Agriculture Dive](https://feedsoft.ai/events/13177-extreme-heat-wave-raises-concerns-around-us-corn-harvest-agriculture-dive.md) | -6.0% | -9.5% |
| CORN | 2020-10-12 | [La Niña weather pattern to affect local agriculture but in a good way - AFDJ](https://feedsoft.ai/events/50567-la-nina-weather-pattern-to-affect-local-agriculture-but-in-a-good-way-afdj.md) | +2.1% | +5.7% |
| CORN | 2018-07-12 | [Climate bulletin predicts greater disease pressure in the second half of the year - Revista Cultivar](https://feedsoft.ai/events/63883-climate-bulletin-predicts-greater-disease-pressure-in-the-second-half-of-the.md) | +2.9% | +12.0% |
| CORN | 2025-10-02 | [Dryness, disease pressure impacting early harvest yield reports - Brownfield Ag News](https://feedsoft.ai/events/13050-dryness-disease-pressure-impacting-early-harvest-yield-reports-brownfield-ag.md) | +1.6% | +2.5% |
| CORN | 2019-01-27 | ['Next harvest could be a different story than this year on prices' - Agriland.ie](https://feedsoft.ai/events/61034-next-harvest-could-be-a-different-story-than-this-year-on-prices-agriland-ie.md) | +0.7% | +0.8% |
| SOY | 2024-10-31 | [Early harvest completion for many areas of Midwest - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/13143-early-harvest-completion-for-many-areas-of-midwest-agweek-1-source-for.md) | +1.8% | +1.3% |
| SOY | 2026-07-31 | [Corn and soybean conditions look good on paper, but how big is the crop? - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/12981-corn-and-soybean-conditions-look-good-on-paper-but-how-big-is-the-crop-agweek-1.md) | -1.7% | +6.7% |
| SOY | 2025-10-16 | [Harvest season in full swing in the Midwest - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/13047-harvest-season-in-full-swing-in-the-midwest-agweek-1-source-for-agriculture.md) | +2.8% | +11.3% |

## Sources

- nwestiowa.com: https://www.nwestiowa.com/agriculture/good-harvest-but-heat-disease-prevented-great-one/article_f0d5039a-a53a-4d19-95fc-7cd3bcb9ae09.html

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