Presage (verb)

To indicate or serve as a warning or sign of a future event.

Origin:

From latin praesagire "foretell", from prae "before" + sagire "perceive".

Examples:

1. The storm clouds on the horizon presaged a coming storm.
2. The stock market's decline presaged a recession.
3. The signs of unrest in the country presaged a revolution.
4. The increase in temperature presaged a heat wave.
5. The increase of the number of cases of the disease presaged an outbreak.