The song "Let it Rain" by Causes is about dealing with difficult times and finding hope during the storm. The lyrics express the dilemma of wanting to move on from a challenging situation, but also wanting to hold on and weather the storm with a loved one. The singer conveys a sense of longing and hope, while acknowledging that tough times are inevitable. The chorus emphasizes the message of letting the rain come and knowing that it will eventually pass, leading to brighter days ahead. The song also touches on the idea of not giving up and continuing to try, even when it feels like things are at their worst. Overall, "Let it Rain" portrays a message of resilience, faith, and the determination to overcome hardships, conveying that there is always hope for a better tomorrow.