A new 10 hour weather warning for ice has been issued for parts of North and Mid Wales from midnight tonight until 10am tomorrow morning.
Areas around South Gwynedd and South Denbighshire are most likely to be affected.
In addition, cold weather will persist, bringing wintry showers and a mix of rain, sleet and snow into most parts of North West Wales between 6pm on Thursday and midday on Friday.
The Met Office have now issued a yellow weather warning stating that Storm Goretti is likely to hit the region over that time bringing the potential of more heavy snow.