You don't need a website to know where it's going. Especially not someone's blog with a few equations.
Hell, I said last year that NATTY probably wouldn't go to deep under $3 this time and rebound very fast. It's the next crude, it'll be $7 before long.
Besides the money that actually moves natural gas, nobody has a clue where it's going. Yes it's based mostly on the weather/global events. Those can change in an instant, overnight.