James had had quite enough. "Follow me." He led his friends up to Astronomy Tower. "Mother Nature won't stop me from playing Quidditch. If that spell didn't work, I'll make one that will."
"Prongs, wait a minute, you can't just MAKE a spell up." Remus hastened to keep up with James. "It doesn't work that way."
Sparks shot from James' wand. "I don't care, I'm going to try."
"What're you gonna do, Prongs?" Wormtail said, positively frightened.
"Well, we obviously can't change REAL weather, so I’ll make the weather something... unreal..."
“You’re not… you can’t- you won’t!”
“Oh, I will.”