This is the highest rated episode with a 9.6/10 rating from over 15,000 viewers.
Cisco remarks he has been waiting since week #1 to use the name Weather Wizard, an obvious reference to the first episode of the series in which Clyde Mardon has weather controlling abilities, and his brother Mark (the original Weather Wizard) is presumed dead.
Doctor Who reference: the Wizards wand is shaped like the eleventh and twelfth doctors screwdrivers and makes a similar sound and light as the tenth doctor's.
Star Wars nod: The Wizard's Wand looks a lot like a Lightsaber, and when Barry is first handed it, he grips it like one and smiles at Cisco knowingly.