Revelation 11:6

These have the power to keep the heaven shut, so that there may be no rain in the days when they are prophets: and they have power over the waters to make them into blood, and to send every sort of disease on the earth as their pleasure is.

1 Kings 17:1

And Elijah the Tishbite, of Tishbe in Gilead, said to Ahab, By the living Lord, the God of Israel, whose servant I am, there will be no dew or rain in these years, but only at my word.

Luke 4:25

Truly I say to you, There were a number of widows in Israel in the days of Elijah, when the heaven was shut up for three years and six months and there was no food in the land;

Exodus 7:17-25

So the Lord says, By this you may be certain that I am the Lord; see, by the touch of this rod in my hand the waters of the Nile will be turned to blood;

1 Samuel 4:8

Trouble is ours! Who will give us salvation from the hands of these great gods? These are the gods who sent all sorts of blows on the Egyptians in the waste land.

Psalm 105:26-36

He sent Moses, his servant, and Aaron, the man of his selection.

Ezekiel 7:1-12

And the word of the Lord came to me, saying,

James 5:16-18

So then, make a statement of your sins to one another, and say prayers for one another so that you may be made well. The prayer of a good man is full of power in its working.

Treasury of Scripture Knowledge

Summary

These have power to shut heaven, that it rain not in the days of their prophecy: and have power over waters to turn them to blood, and to smite the earth with all plagues, as often as they will.

Have power over

Bible References

Power

1 Kings 17:1
And Elijah the Tishbite, of Tishbe in Gilead, said to Ahab, By the living Lord, the God of Israel, whose servant I am, there will be no dew or rain in these years, but only at my word.
Luke 4:25
Truly I say to you, There were a number of widows in Israel in the days of Elijah, when the heaven was shut up for three years and six months and there was no food in the land;
James 5:16
So then, make a statement of your sins to one another, and say prayers for one another so that you may be made well. The prayer of a good man is full of power in its working.

Have power over

Ezekiel 12:14
And all his helpers round about him and all his armies I will send in flight to every wind; and I will let loose a sword after them.
Psalm 105:26
He sent Moses, his servant, and Aaron, the man of his selection.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain