Cross reference
Matthew 16:2
2 and he answering said to them, `Evening having come, ye say, Fair weather, for the heaven is red,
Luke 12:54-56
54 And he said also to the multitudes, `When ye may see the cloud rising from the west, immediately ye say, A shower doth come, and it is so;
55 and when -- a south wind blowing, ye say, that there will be heat, and it is;
56 hypocrites! the face of the earth and of the heaven ye have known to make proof of, but this time -- how do ye not make proof of `it'?