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Corn Earworm Forecast
June 9, 2026

Low corn earworm migration risks are predicted tonight into tomorrow mainly west of Lake Michigan and the I-57 corridor in eastern Illinois.

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Corn Earworm Forecast
June 8, 2026

Low corn earworm migration risks are predicted tomorrow night into Wednesday from Kansas and Missouri as far north as North Dakota, Minnesota, and Wis…

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Corn Earworm Forecast
June 5, 2026

Low corn earworm migration risks are predicted east and southeast of a cold front tonight into tomorrow from Kansas, Missouri, and southeastern Iowa e…

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Corn Earworm Forecast
June 4, 2026

Low corn earworm migration risks are predicted tonight into tomorrow from Kansas into eastern Nebraska and southeast South Dakota as far east as south…

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Corn Earworm Forecast
June 3, 2026

Low corn earworm migration risks are predicted mainly west of Lake Michigan and the I-57 corridor tomorrow night into Friday.

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Corn Earworm Forecast
June 2, 2026

Low corn earworm migration risks are in the forecast for Thursday night and Friday morning as well as Friday night into Saturday initially west of the…

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Corn Earworm Forecast
June 1, 2026

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
May 29, 2026

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
May 28, 2026

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
May 27, 2026

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
May 26, 2026

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
May 22, 2026

There is little to no risk for corn earworm migration in the next five days.

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Forecasts are limited to the country’s main crop production regions east of the Rocky Mountains and west of the Appalachian Mountains and parts of Canada. Insect forecasts are based on data analyzed from moth traps located throughout the United States’ main crop production regions as well as predicted weather patterns and field reports and research. Forecasts are estimates based on available information and cannot guarantee actual insect pressure risks. Recommendations for insect pressure risk forecasts are based upon generally accepted practices. Forecasts and recommendations should not be used as a substitute for sound farming practices, including diligent field monitoring, or as a sole means for making risk management decisions.

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