'Rain' in the Bible

Isn't it wheat harvest today? I will call to Yahweh, that he may send thunder and rain; and you shall know and see that your wickedness is great, which you have done in the sight of Yahweh, in asking for a king."

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