Iowa farmers made very little harvest progress due to wet weather the past two weeks, but they are finding better than expected corn yields where combines have been able to run.

“Overall, farmers are getting better yields than they expected, even with weather effects during the season,” said George Kadrmas, a DEKALB Asgrow technical ag­­ronomist covering southeast Iowa.

Rain idled combines for much of the first week of October, with less than three days suitable for fieldwork, the...