6 These have power to shut the heavens, so that no rain may fall in the days of their prophecy: and they have power over the waters to turn them into blood, and to smite the earth with every plague as often as they will.
Revelation 11:6 Cross References - Worsley
Luke 4:25
25 And I assure you, there were many widows in Israel, in the days of Elias, when the heaven was shut up for three years and six months, and there was a great famine through all the land;
James 5:16-18
16 Confess your faults one to another, and pray for one another, that ye may be healed: the fervent prayer of a righteous man availeth much.
17 Elias was a man of like passions with us, and he prayed earnestly that it might not rain, and it rained not upon the land for three years and six months:
18 and he prayed again, and the heaven gave rain, and the earth put forth its fruit.