*A stream of pictures taken from my "photojournal".
Funny how location effects the how one's saying go. For me, it's "red sky in the morning, sailors take warning". Someone with family roots in Nova Scotia here.
I first heard the "shepherd" version; but a number of others who commented on Facebook seemed to be pointing out the "sailor" variation. My family are English so perhaps there are two versions even within England, I think that is where the saying originates.