Can 將 (or 将) only be used for events/actions that will take place in the near future?
According to Xinhua dictionary, it means the near future.
快要：将要。将至。将来。即将。

E.g. "The winter is coming." is translated to "凛冬将至" is Chinese.

But I think 将来 is simply used for future action.
E.g. 我将来要成为一个科学家.