Reminiscent of the childhood classic, Goldilocks and the Three Bears, Iowa’s weather has spanned the spectrum this season.

Generally speaking, the northern part of the state has been too wet, the south too dry and the central portion just right. The heat has also been above average across much of the state. So what does that mean going into harvest and what can growers do to prepare for the 2019 season?

In northern Iowa — where heavy rainfall from April onward hindered planting,...