Is the snow permenant? That is, will it last until it melts, or will it disappear the next day, leaving no trace of its existence? If it did disappear like that, the farmers would still be happy. Go to Comment
The PCs are stuck in a town with a strict peace policy, the tiniest scuffle can land you years in prison. The town also happens to be a tourist haven, so inn-prices have skyrocketed. The only way the PCs can rest is if they splurge on a room, with their enemy.