YOU SAID:

It is going to rain later, we need to go indoors!

INTO JAPANESE

後で雨が降るでしょう、屋内に行く必要があります！

BACK INTO ENGLISH

It will rain later, you need to go indoors!

INTO JAPANESE

後で雨が降るので、屋内に行く必要があります！

BACK INTO ENGLISH

You will need to go indoors as it will rain later!

INTO JAPANESE

後で雨が降るので、屋内に行く必要があります！

BACK INTO ENGLISH

You will need to go indoors as it will rain later!