preindication

/priːˌɪndɪˈkeɪʃən/
noun
  1. A sign or warning that something is going to happen before it actually occurs.
    • The dark clouds were a preindication of the coming storm.
    • His nervousness was a preindication that he would not do well in the interview.
    • The drop in sales was a preindication of the company's financial troubles.