najaviti

1. to announce
   Vlada je najavila nove mere. — The government announced new measures.
   Bend je najavio koncert u Beogradu. — The band announced a concert in Belgrade.
2. (of weather) to forecast
   Za vikend su najavili kišu. — They forecast rain for the weekend.
3. (najaviti se) to let someone know one is coming
   Došao je a da se nije ni najavio. — He came without even letting us know.
4. (of a visitor) to announce someone; to introduce
   Sekretarica me je najavila direktoru. — The secretary announced me to the director.
5. (of a sign, omen) to herald; to foreshadow
   Topao vetar je najavio proleće. — The warm wind heralded spring.
   Tamni oblaci su najavili oluju. — Dark clouds foreshadowed a storm.

The imperfective partner is najavljivati.