augury
/ˈɔɡ(j)əri/
noun
A sign of what will happen in the future; an omen.
they heard the sound as an augury of death
omen,sign,indication,presage,warning,forewarning,harbinger,augury,signal,promise,threat,menace,ill omen,forecast,prediction,prognostication,prophecy,straw in the wind,writing on the wall,hint,auspice