Temperatures set to hit -6°C in North Wales on the coldest night of the year
Gritters from all of the region's six counties are expected to be out on key roads with a severe frost likely overnight
Temperatures set to hit -6°C in North Wales on the coldest night of the year
![Temperatures set to hit -6°C in North Wales on the coldest night of the year](https://www.teenfm.co.uk/wp-content/uploads/2016/02/snow.jpg)