YOU SAID:

I was worried yesterday about how today was going to go

INTO JAPANESE

昨日は今日がどうなるのか心配でした

BACK INTO ENGLISH

I was worried about what would happen today yesterday

INTO JAPANESE

今日は昨日どうなるか心配でした

BACK INTO ENGLISH

I was worried about what would happen yesterday today

INTO JAPANESE

今日は昨日どうなるか心配でした

BACK INTO ENGLISH

I was worried about what would happen yesterday today