Matthew 16:3,4
And in the morning, It will be foul weather to day: for the sky is red and lowering. O you hypocrites, you can discern the face of the sky; but can you not discern the signs of the times?
Nave's Topical Index—AKJV

Matthew 24:3
And as he sat on the mount of Olives, the disciples came to him privately, saying, Tell us, when shall these things be? and what shall be the sign of your coming, and of the end of the world?
Nave's Topical Index—AKJV