The Order of the Changing Sky:
An order of divinely inspired meterologists?
thats the basic gist of it

As a heretical cult of Chaos, they would be those in a community who have touched Chaos far too deeply to ever return, now they flow and dance with it, as mutable as the very future they see. Normally they would be hunted down, but their predictions are beloved by the farmers, and thus their conspiracy with Chaos is looked upon with a kind of resigned benevolance.
This would be a more mystical order, they stare into the clouds for a moment, with eyes unseeing, and then utter their predictions for the coming days.
Now this sounds interesting! Hmm...I think ill run with this...will have "Kredon, Lesser God of the Sky" up later then, plus I have an idea for "what happens if a dreamblade gets you!"
Oh, and "Nightmares and Dreamscapes" sounds like a preety good name.