
Unusually Active Jet Stream Pattern and Challenging Conditions Impact Upper Midwest Crop Yield Expectations
The Upper Midwest, including Michigan, has experienced an active jet stream pattern in August, with heavy rainfall providing moisture for crops but also causing localized standing water and delays in harvests. Some areas in western Michigan faced dryness and moisture shortages, while mean temperatures were slightly below normal, slowing crop growth. The forecast calls for warmer and drier weather in Michigan, with potential water shortages in some areas. In Illinois, the corn crop has faced various challenging conditions, including heat stress, drought, and diseases, impacting yield expectations.