明天将要下雪英语

It will be snowy tomorrow.Snow will come tomorrow.

tomorrow will be snowy

如果是根据某种迹象推断明天会下雪，该说It is going to snow tomorrow.当然，It will snow tomorrow.是可行的，只是不逻辑上不够严谨

参考翻译：It's going to snow tomorrow. Little snail crawls to the Yellow window in the snow.