Insect Alert For

Black Cutworm

Risk Level:
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Alert Details

An active weather pattern signals an increase in black cutworm migration risks over the next week. Initially, Low risks are in place tonight into tomorrow mainly from Wisconsin and Illinois and points west as a northwest-flow origin cold front moves southeast into the corn-growing region. This front shifts east tomorrow into Saturday, with Low risks focusing in modest south to southwest winds ahead of the front mainly across the southern Great Lakes and eastern corn-growing region. Of more concern is early-mid next week when the potential for a much stronger system moves into the corn-growing region and moves slowly east mid-late week and the following weekend. Stout southerly flow ahead of this system may lead to scattered moth flights by Monday night into Tuesday across a large portion of the corn-growing region. Moderate risks are already in the forecast five days out across much of Kansas, eastern Nebraska, Iowa, Missouri, far southern Minnesota, southwest Wisconsin, and Illinois with Low risks as far north as the Minneapolis, Minnesota to Green Bay, Wisconsin region and east to the I-75 corridor in southeast lower Michigan and western Ohio. Stay tuned to forecasts both tomorrow and especially early next week for updates on the next respectable black cutworm migration risk.