NASHVILLE, Tenn. (WSMV) – Colder weather arrives tomorrow and is expected to stick around for the next couple of weeks. Have weather pictures or videos? Share them here. Download the WSMV 4 First Alert Weather app for iPhone or Android, so you can stay informed on the go and in between newscasts. We share custom videos, plus you can choose to get messages from us on the latest conditions and forecasts.