When
1 Kings 18:44
And it came to pass at the seventh time, that he said, "Behold, there ariseth a little cloud out of the sea, like a man's hand." And he said, "Go up, say unto Ahab, `Prepare thy chariot, and get thee down, that the rain stop thee not.'"
1 Kings 18:45
And it came to pass in the meantime, that the heaven was black with clouds and wind, and there was a great rain. And Ahab rode, and went to Jezreel.
Matthew 16:2-4
2
He answered and said unto them, "When it is evening ye say, `It will be fair weather, for the sky is red.'
3
And in the morning, `It will be foul weather today, for the sky is red and lowering.' O ye hypocrites, ye can discern the face of the sky, but can ye not discern the signs of the times?
4
A wicked and adulterous generation seeketh after a sign, and there shall no sign be given unto it, but the sign of the prophet Jonah." And He left them and departed.