presage
pre-sage
verb
To be a sign or warning of a future event, often an unpleasant one.
"Dark clouds often presage a storm."
noun
An omen or sign indicating a future event, especially an unpleasant one.
"The sudden silence was a presage of danger."
Thesaurus
Synonyms: forecast, augur, betoken, predict, foreshadow, prognosticate, foretell, portend, bode, auspicate, omen, prefigure