Red sky in the morning, sailors take warning. Red sky at night, sailor's delight.
Luke 12:54-56 He said to the crowd: “When you see a cloud rising in the west, immediately you say, ‘It’s going to rain,’ and it does. And when the south wind blows, you say, ‘It’s going to be hot,’ and it is. Hypocrites! You know how to interpret the appearance of the earth and the sky. How is it that you don’t know how to interpret this present time?
Chapter a Day: Luke 12