YOU SAID:

According to the weather forecast it's going to snow tonight.

INTO JAPANESE

天気予報は今夜雪に行くです。

BACK INTO ENGLISH

Weather forecast snow tonight is.

INTO JAPANESE

今夜は天気予報雪が。

BACK INTO ENGLISH

Tonight is the weather forecast for snow.

INTO JAPANESE

今夜は、雪の天気予報です。

BACK INTO ENGLISH

Tonight is the weather forecast for snow.