God's promise to Noah, in Genesis 9:15, was not that it would never rain again, but that the waters would never again destroy all living things through a global flood. What the Lord assured was that He would not repeat that type of universal judgment, ensuring that the created order would continue, even amid the pains and tensions of history.
Thus, God established a limit: He remains sovereign over nature, governs the rains and the seas, but decided not to use a worldwide flood as an instrument of total destruction again. His Covenant with Noah and all of creation remains firm, even though the world experiences storms, floods, and extreme phenomena.
Therefore, when we see disasters related to rain, floods, and tragedies, we are not facing a breach of the Covenant, but rather the reality of a world wounded by sin, marked by disorder and fragility. Creation continues to be affected by the fall and carries within it the consequences of humanity's separation from God.
As Romans 8:22 says, creation still groans, waiting for the full restoration in Christ. Heavy rains and natural disasters serve as reminders that we are not yet in heaven, but in a world in transition: sustained by the hand of God, yet not fully renewed by final redemption.