Cross reference
Matthew 16:2
2 But he answered and said unto them, When it is evening, ye say, `It will be' fair weather: for the heaven is red.
Luke 12:54-56
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.
55 And when `ye see' a south wind blowing, ye say, There will be a scorching heat; and it cometh to pass.
56 Ye hypocrites, ye know how to interpret the face of the earth and the heaven; but how is it that ye know not how to interpret this time?