For any forecast to be possible server would have to "queue" weather change in advance and that I think is not such trivial upgrade. What could be done is introducing thrird skill branch in harvesting, Atmospheric measurement. That way one would be able to progressively determine current weather more and more accurately.
Then again you can just fire off 500m Tracking and get basically the same result.
Then again you can just fire off 500m Tracking and get basically the same result.