Cross reference
Luke 12:54
54 And he said to the multitudes also, When ye see a cloud rising in the west, straightway ye say, There cometh a shower; and so it cometh to pass.
1 Kings 18:44-45
44 And it came to pass at the seventh time, that he said, Behold, there ariseth a cloud out of the sea, as small as a man's hand. And he said, Go up, say unto Ahab, Make ready `thy chariot', and get thee down, that the rain stop thee not.
45 And it came to pass in a little while, that the heavens grew black with clouds and wind, and there was a great rain. And Ahab rode, and went to Jezreel:
Matthew 16:2-4
2 But he answered and said unto them, When it is evening, ye say, `It will be' fair weather: for the heaven is red.
3 And in the morning, `It will be' foul weather to-day: for the heaven is red and lowering. Ye know how to discern the face of the heaven; but ye cannot `discern' the signs of the times.
4 An evil and adulterous generation seeketh after a sign; and there shall no sign be given unto it, but the sign of Jonah. And he left them, and departed.