Meaning of the word "going to be" in English

What does "going to be" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

going to be

US /ˈɡoʊɪŋ tə bi/
UK /ˈɡəʊɪŋ tə bi/

Phrase

used to express a future event or intention

Example:
It's going to be a beautiful day tomorrow.
I'm going to be a doctor when I grow up.