54 Now He said to the throngs, also, "Whenever you should be perceiving a cloud rising in the west, immediately you are saying that 'A rainstorm is coming,' and it is occurring thus."
Luke 12:54 Cross References - CLV
1 Kings 18:44-45
44 And it comes to pass, at the seventh, that he said, `Lo, a little thickness as the palm of a man is coming up out of the sea.' And he said, `Go up, say unto Ahab, `Bind--and go down, and the shower does not restrain you..
45 And it comes to pass, in the meantime, that the heavens have become black--thick clouds and wind--and the shower is great; and Ahab rides, and goes to Jezreel,