# November 2021 – Illinois State Climatologist

> Illinois averaged 59.7 degrees in October, 5.1 degrees above normal, and recorded 6.36 inches of precipitation, the fourth wettest October on record. Nighttime temperatures set records in several cities. The warm, wet pattern followed a warm September.

- Date: 2021-11-01 · published 2021-11-01T12:00:00.000Z
- Category: weather · region US · magnitude low
- Page: https://feedsoft.ai/events/13409-november-2021-illinois-state-climatologist
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md)

## Why it matters

Unusually warm and wet fall conditions delayed harvest and can affect late-season crop quality and soil conditions, with limited direct price impact.

## Read by commodity

- CORN: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2018-01-18 | [NWS Outlook for First Half of 2018 – Illinois State Climatologist](https://feedsoft.ai/events/66923-nws-outlook-for-first-half-of-2018-illinois-state-climatologist.md) | +0.7% | +1.7% |
| CORN | 2025-09-12 | [Illinois Crop Update - September 12, 2025 - farmdoc](https://feedsoft.ai/events/13057-illinois-crop-update-september-12-2025-farmdoc.md) | +5.1% | +3.6% |
| CORN | 2025-05-30 | [Illinois Crop Update - May 30, 2025 - farmdoc](https://feedsoft.ai/events/13087-illinois-crop-update-may-30-2025-farmdoc.md) | -0.3% | -4.7% |
| CORN | 2025-11-19 | [IRI – International Research Institute for Climate and Society \| November 2025 Quick Look](https://feedsoft.ai/events/21854-iri-international-research-institute-for-climate-and-society-november-2025.md) | -2.0% | +0.1% |
| CORN | 2017-08-30 | [Seasonal climate outlook: September 2017 - November 2017 \| Earth Sciences New Zealand \| NIWA](https://feedsoft.ai/events/69372-seasonal-climate-outlook-september-2017-november-2017-earth-sciences-new.md) | +2.3% | +3.1% |

## Sources

- stateclimatologist.web.illinois.edu: https://stateclimatologist.web.illinois.edu/2021/11/

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