In the offing
Definition 1 of 1
Pro Tip 1/3Future Expectation
Use 'in the offing' to express something expected to occur soon but without a specific timeframe. 
The manager said that promotions were in the offing.
Pro Tip 2/3Sense of Imminence
'In the offing' conveys a sense of certainty about an upcoming event, not just a possibility. 
After months of research, a breakthrough is in the offing.
Pro Tip 3/3Neutral Tone
The phrase is neutral and can refer to both positive and negative upcoming events. 
With the economic downturn, layoffs are in the offing.