Revelation 11:6

These, have authority to shut heaven, in order that, no rain, be moistening in the days of their prophesying; and, authority, have they, over the waters, to be turning them into blood, and to smite the land, with any manner of plague, as often as they will.

1 Kings 17:1

Then said Elijah the Tishbite, of Tishbe in Gilead, unto Ahab, By the life of Yahweh, God of Israel, before whom I stand, there shall not, these two years, be either dew or rain, - save at the bidding of my word.

Luke 4:25

And, of a truth, I say unto you - Many widows, were in the days of Elijah, in Israel, when the heaven was shut up three years and six months, when there came a great famine upon all the land;

Exodus 7:17-25

Thus, saith Yahweh, Hereby, shalt thou know that, I, am Yahweh, - Lo! I, am smiting with the staff that is in my hand upon the waters that are in the river and they shall be turned to blood;

1 Samuel 4:8

Woe to us! Who shall rescue us out of the hand of these majestic gods? These, are the gods, who smote the Egyptians with all manner of smiting in the desert!

Psalm 105:26-36

He sent Moses his servant, Aaron, whom he had chosen.

Ezekiel 7:1-12

And the word of Yahweh came unto me, saying:

James 5:16-18

Be openly confessing, therefore, one to another, your sins, and be praying in each other's behalf, - that ye may be healed. Much availeth, the supplication of a righteous man, when it is energised:

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
Then said Elijah the Tishbite, of Tishbe in Gilead, unto Ahab, By the life of Yahweh, God of Israel, before whom I stand, there shall not, these two years, be either dew or rain, - save at the bidding of my word.
Luke 4:25
And, of a truth, I say unto you - Many widows, were in the days of Elijah, in Israel, when the heaven was shut up three years and six months, when there came a great famine upon all the land;
James 5:16
Be openly confessing, therefore, one to another, your sins, and be praying in each other's behalf, - that ye may be healed. Much availeth, the supplication of a righteous man, when it is energised:

Have power over

Ezekiel 12:14
And all who are round about him to hell him. and all his tops, will scatter to every wind, - and a sword, will I make bare after them.
Psalm 105:26
He sent Moses his servant, Aaron, whom he had chosen.