Behold, tomorrow about this time I will cause it to rain a very grievous hail, such as has not been in Egypt since the day it was founded even until now.

So Samuel called to Yahweh; and Yahweh sent thunder and rain that day: and all the people greatly feared Yahweh and Samuel.

Then all the men of Judah and Benjamin gathered themselves together to Jerusalem within the three days; it was the ninth month, on the twentieth [day] of the month: and all the people sat in the broad place before the house of God, trembling because of this matter, and for the great rain.

For his

To cause it to rain on a land where no man is; on the wilderness, in which there is no man;

For mercy

Rizpah the daughter of Aiah took sackcloth, and spread it for her on the rock, from the beginning of harvest until water was poured on them from the sky. She allowed neither the birds of the sky to rest on them by day, nor the animals of the field by night.

It happened in a little while, that the sky grew black with clouds and wind, and there was a great rain. Ahab rode, and went to Jezreel.

"Be glad then, you children of Zion, and rejoice in Yahweh, your God; for he gives you the former rain in just measure, and he causes the rain to come down for you, the former rain and the latter rain, as before.

General references

that I will give the rain of your land in its season, the former rain and the latter rain, that you may gather in your grain, and your new wine, and your oil.

Which the skies pour down and which drop on man abundantly.