I Kings 18:41

Israel being thus far reformed that they had acknowledged the Lord to be God, and had consented to the execution of Baal's prophets, that they might not seduce them any more, though this was far short of a thorough reformation, yet it was so far accepted that God thereupon opened the bottles of heaven, and poured out blessings upon his land, that very evening (as it should seem) on which they did this good work, which should have confirmed them in their reformation; see Hag 2:18, Hag 2:19. I. Elijah sent Ahab to eat and drink, for joy that God had now accepted his works, and that rain was coming; see Ecc 9:7. Ahab had continued fasting all day, either religiously, it being a day of prayer, or for want of leisure, it being a day of great expectation; but now let him eat and rink for, though others perceive no sign of it, Elijah, by faith, hears the sound of abundance of rain, Kg1 18:41. God reveals his secrets to his servants the prophets; and yet, without a revelation, we may foresee that when man's judgments run down like a river God's mercy will. Rain is the river of God, Psa 65:9. II. He himself retired to pray (for though God had promised rain, he must ask it, Zac 10:1), and to give thanks for God's answer by fire, now hoping for an answer by water. What he said we are not told; but, 1. He withdrew to a strange place, to the top of Carmel, which was very high and very private. Hence we read of those that hide themselves in the top of Carmel, Amo 9:3. There he would be alone. Those who are called to appear and act in public for God must yet find time to be private with him and keep up their converse with him in solitude. There he set himself, as it were, upon his watch-tower, like the prophet, Hab 2:1. 2. He put himself into a strange posture. He cast himself down on…

18:41-45 The servant . . . saw a little cloud on the horizon that appeared to be the size of a hand. Yet it heralded the approach of a terrific rainstorm.