Met Office Advisory of Heavy Snow for Wales valid from 1207 Sat 30 Jan to 2359 Sat 30 Jan
http://bit.ly/a2Ih8l
"Sleet and snow showers affecting western parts on Saturday evening become widespread across Wales overnight, continuing into Sunday morning. With temperatures falling below freezing there is a risk of widespread ice on untreated roads and pavements. The public are advised to take extra care and refer to Traffic Wales for further advice on road conditions."