wishful, wistful

Wishful or wishful means hoping or desiring--
When he saw the packages he was wishful again, hoping that one was a model train.
They were wishful, trying to make it home so they could spend the holidays together.

Wistful or wistful means melancholy, thoughtful, longing or yearning--
At Christmas she was wistful, thinking of the past and her long-lost family.
He gets wistful for Mom during the holiday season.

Now that you know that, you can say--
"The children are wistful for our old home, and wishful for some snow to play in."