Periods of heavy snow will wrap up overnight. Temperatures falling below freezing will likely make for slick or snowy roads through much of the area into Saturday morning. WINTER STORM WARNINGS & WINTER WEATHER ADVISORIES have been posted for the threats of significant snow accumulations and treacherous travel in our higher elevations. Westside valleys could also see some snow before this storm system departs overnight. Stay with StormWatch 12 on-air and online for updates on this winter storm.