Wait about another month. It's gonna hit $5. Mark it down.
It was reported in the national media around December or so; I told my boss to expect it, since they had already forewarned us of what they intended to do. They said gas "could be $4 to $5 by summer", so you can bet it will be at least $5. It wasn't a prediction, it was a warning.
From December 31st, 2010 (it was $4/gal, not $5):
http://finance.yahoo.com/news/Oils-surge-in-2010-paves-the-apf-1258480888.html?x=0