Luke 4:25

In very truth I tell you there were many widows in Israel in the days of Elijah, when the heavens were closed for three years and six months, when a great famine came over all the land;

Revelation 11:6

These have power to shut heaven so that it does not rain 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.

Treasury of Scripture Knowledge

Summary

When the heaven is shut up, and there is no rain, because they have sinned against thee; yet if they pray toward this place, and confess thy name, and turn from their sin, when thou dost afflict them;

The heaven

There is no rain

Bible References

The heaven

Luke 4:25
In very truth I tell you there were many widows in Israel in the days of Elijah, when the heavens were closed for three years and six months, when a great famine came over all the land;

There is no rain

Revelation 11:6
These have power to shut heaven so that it does not rain 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.