Malachi 4:5

Behold, I will send you Elijah the prophet before the great and terrible day of Yahweh comes.

Luke 1:17

He will go before him in the spirit and power of Elijah, 'to turn the hearts of the fathers to the children,' and the disobedient to the wisdom of the just; to prepare a people prepared for the Lord."

Joel 2:31

The sun will be turned into darkness, and the moon into blood, before the great and terrible day of Yahweh comes.

Malachi 3:1

"Behold, I send my messenger, and he will prepare the way before me; and the Lord, whom you seek, will suddenly come to his temple; and the messenger of the covenant, whom you desire, behold, he comes!" says Yahweh of Armies.

Isaiah 40:3

The voice of one who calls out, "Prepare the way of Yahweh in the wilderness! Make a level highway in the desert for our God.

Malachi 4:1

"For, behold, the day comes, it burns as a furnace; and all the proud, and all who work wickedness, will be stubble; and the day that comes will burn them up," says Yahweh of Armies, "that it shall leave them neither root nor branch.

Matthew 17:10-13

His disciples asked him, saying, "Then why do the scribes say that Elijah must come first?"

Mark 9:11-13

They asked him, saying, "Why do the scribes say that Elijah must come first?"

John 1:21

They asked him, "What then? Are you Elijah?" He said, "I am not." "Are you the prophet?" He answered, "No."

Revelation 6:17

for the great day of his wrath has come; and who is able to stand?"

Matthew 11:13-14

For all the prophets and the law prophesied until John.

Matthew 27:47-49

Some of them who stood there, when they heard it, said, "This man is calling Elijah."

Luke 7:26-28

But what did you go out to see? A prophet? Yes, I tell you, and much more than a prophet.

Luke 9:30

Behold, two men were talking with him, who were Moses and Elijah,

John 1:25

They asked him, "Why then do you baptize, if you are not the Christ, nor Elijah, nor the prophet?"

Acts 2:19-20

I will show wonders in the sky above, and signs on the earth beneath; blood, and fire, and billows of smoke.

Treasury of Scripture Knowledge

Summary

Behold, I will send you Elijah the prophet before the coming of the great and dreadful day of the LORD:

Bible References

I will

Malachi 3:1
"Behold, I send my messenger, and he will prepare the way before me; and the Lord, whom you seek, will suddenly come to his temple; and the messenger of the covenant, whom you desire, behold, he comes!" says Yahweh of Armies.
Isaiah 40:3
The voice of one who calls out, "Prepare the way of Yahweh in the wilderness! Make a level highway in the desert for our God.
Matthew 11:13
For all the prophets and the law prophesied until John.
Matthew 17:10
His disciples asked him, saying, "Then why do the scribes say that Elijah must come first?"
Matthew 27:47
Some of them who stood there, when they heard it, said, "This man is calling Elijah."
Mark 9:11
They asked him, saying, "Why do the scribes say that Elijah must come first?"
Luke 1:17
He will go before him in the spirit and power of Elijah, 'to turn the hearts of the fathers to the children,' and the disobedient to the wisdom of the just; to prepare a people prepared for the Lord."
Luke 7:26
But what did you go out to see? A prophet? Yes, I tell you, and much more than a prophet.
Luke 9:30
Behold, two men were talking with him, who were Moses and Elijah,
John 1:21
They asked him, "What then? Are you Elijah?" He said, "I am not." "Are you the prophet?" He answered, "No."

General references

Zechariah 14:1
Behold, a day of Yahweh comes, when your spoil will be divided in your midst.
Matthew 11:10
For this is he, of whom it is written, 'Behold, I send my messenger before your face, who will prepare your way before you.'
Mark 9:11
They asked him, saying, "Why do the scribes say that Elijah must come first?"
Acts 2:19
I will show wonders in the sky above, and signs on the earth beneath; blood, and fire, and billows of smoke.