1.Will it be snowy tomorrow?（作否定回答）
No,it won't.
2.It will be (windy) in the afternoon.(對劃線部分提問）
What will the weather be like in the afternoon?
How will the weather be in the afternoon?
3.There will be rain in the morning.(改為一般疑問句）
Will there be rain in the morning?
4.It,s going to be warm.(改為否定句）
It's not going to be warm.
5.The snow will stop (the day after tomorrow).（對括號部分提問）
When will the snow stop?