Lyric discussion by ChaseKenderes 

I interpret this song to be about a homeless man who once had a family, but drugs messed up his life and now he's out on the streets.

He just wants his family to forgive him and no matter how they try to help him, he keeps ending up back "out in the rain", and on the street.

The trash fire symbolizes the place where he feels safest. It's warm and comforting, but not safe from the storm that is his drug use.

He's writing this letter to his family to tell them to forgive him and and not to worry about him because he did it to himself.

I agree. He's messed himself up with drugs, with "fingers seek my veins" possibly referring to both where he will cut himself and drug abuse. The "net below" that "rot away" refers to the amount of chances he's had to redeem himself, but now he's reached the final straw. The "storm" is literally a storm and drug abuse. He plans to commit suicide ("to do"), and wants his loved one to forgive him, but not mourn him. My favourite part of the song is "I cry to the alleyway /Confess all to the rain" because it sounds cool and is...

An error occured.