Those prophets are just prophesying lies. They are prophesying the delusions of their own minds.

Do any of the worthless idols of the nations cause rain to fall? Do the skies themselves send showers? Is it not you, O Lord our God, who does this? So we put our hopes in you because you alone do all this.”

Then King Zedekiah had him brought to the palace. There he questioned him privately and asked him, “Is there any message from the Lord?” Jeremiah answered, “Yes, there is.” Then he announced, “You will be handed over to the king of Babylon.”