If you want to get a pre-warning for a job before it's due, it's possible to input a pre-warning value on the job. this can be for both jobs with a date interval or an hour interval.
The value you enter says how long before due it should appear in the due list.
For example: If you have a job that you want to appear in the due list 1 week before the due date, you enter "1 week" as the pre-warning value.
How to open the pre-warning window: