YOU SAID:

I have to go back to school tomorrow so I hope it snows really hard so they cancel

INTO JAPANESE

明日学校に行かなければならないので、雪が本当に激しく雪が降らないように願っています

BACK INTO ENGLISH

I hope I have to go to school tomorrow so the snow is really hard and it won't fall

INTO JAPANESE

明日学校に行かなくてはならないので、雪は本当に硬くて落ちません

BACK INTO ENGLISH

I have to go to school tomorrow so the snow is really hard and won't fall

INTO JAPANESE

明日学校に行かなければならないので、雪は本当に硬くて落ちません

BACK INTO ENGLISH

The snow is really hard and won't fall because I have to go to school tomorrow

INTO JAPANESE

明日は学校に行かなければならないので、雪は本当に激しく、落ちません

BACK INTO ENGLISH

The snow is really hard and won't fall because I have to go to school tomorrow