1 Kings 18:42-45
18:42 So Ahab went on up to eat and drink, while Elijah climbed to the top of Carmel. He bent down toward the ground and put his face between his knees.
18:43 He told his servant, “Go on up and look in the direction of the sea.” So he went on up, looked, and reported, “There is nothing.” Seven times Elijah sent him to look.
18:44 The seventh time the servant said, “Look, a small cloud, the size of the palm of a man’s hand, is rising up from the sea.” Elijah then said, “Go and tell Ahab, ‘Hitch up the chariots and go down, so that the rain won’t overtake you.’”
18:45 Meanwhile the sky was covered with dark clouds, the wind blew, and there was a heavy rainstorm. Ahab rode toward Jezreel.