Temperatures in parts of the Corn Belt have been some of the warmest in recent history. Several long-range forecasts indicate these conditions will last for the next few weeks. This has caused different situations across the regions of the U.S. 

One issue that has been caused by the warm temperatures is an inability for some farmers to wrap up harvest. It was hoped that fields would freeze, and farmers would be able to make progress in regions that were too wet for harvest last fall. 

While this has taken place in some areas, others aren't seeing fields get to a point where any progress can be made. Fieldwork has also been limited by snowfall, especially in the Upper Plains and Midwest, where snow came early and hasn't melted. 

Another factor of the warmer fall and start of winter is open river systems. U.S. rivers haven't frozen over as far north as...