Temperatures are forecast to drop on Tuesday as cold air moves in from the north, bringing snow and ice. There is a yellow warning for snow and ice in place for a large part of Tuesday morning but no reports of any impactful snow conditions.
BBC Wales weather forecaster Rhian Haf said that a band of rain overnight on Monday that moved south did bring some snow to the hills. She added: "Ice has been forming on some untreated surfaces and there is a warning until 10am on Tuesday. The band of rain and snow will clear to leave a day that will be cloudy for a time, a few spot of rain but turning into a mostly dry afternoon with plenty of sunshine.
"Very cold with Arctic air, a few snow showers in place with temperatures between 2C and 5C. Another spell of snow and rain will move into southern areas during the early hours."
Read more: Met Office issues new heavy snow warning over the next five days in Wales
There is another warning for snow in the south from midnight on Tuesday.
Rhian added: "The snow will clear eastwards. Many parts can expect cumulations of 1cm to 2cm of snow over the hills and higher mountains and in some parts of south Wales 5 to 10cm is likely. We can all expect a widespread frost with temperatures dropping to -5C. Wednesday will be mostly cloudy, some rain and snow to start that will soon clear. Temperatures tomorrow between 2C and 5C."
The forecaster said that there could be some "disruptive snow" on Thursday into Friday in northern parts of Wales.
There are warnings for snow in north Wales on Thursday and Friday, from 3am on Thursday until 6pm on Friday.
The yellow warning says: "Snow could develop quite widely across the warning area on Thursday and Friday as a potentially quite deep area of low pressure moves across the UK. Parts of Northern Ireland, north Wales and northern England are currently expected to see the worst of the conditions on Thursday, with parts of Scotland and northern England then seeing the heaviest snow on Friday.
"Event totals could bring 5 to 10 cm of snow to many locations, even at low elevations, with potentially 15 to 20 cm accumulating across the northern portion of the warning area. Higher elevations of the North Pennines, Southern Uplands, higher parts of the Central Belt and the southern Highlands may see as much as 30 to 40 cm of snow in places. In addition, there is potential for strong winds, which may lead to blizzard conditions and drifting of lying snow."
The Met Office forecast for Wales this weeks says:
Tuesday:
A bright day in the north today with sunny spells and a few snow showers. Cloudier further south with outbreaks of light rain, sleet, and snow, which will slowly clear southwards throughout the day. Feeling cold. Maximum temperature 6 °C.
Tuesday night:
A dry, clear and very frosty night in the north. Further south it will be often cloudy with some outbreaks of rain, sleet and snow affecting the far south. Minimum temperature -6 °C.
Wednesday:
A bright and frosty start in the north, cloudier further south with some rain or snow, especially over higher ground. Feeling cold, with a brisk breeze in the south. Maximum temperature 5 °C.
Outlook for Thursday to Saturday:
Bands of rain, sleet and snow, accompanied by strong winds will move in during Thursday, before gradually clearing Friday. Turning less cold by Saturday, with rain arriving later.
Met Office chief meteorologist Dan Suri said: “Snow, ice and low temperatures are the main themes of this week’s forecast, as the UK comes under the influence of an arctic maritime airmass as cold air moves in from the north.
“Snow is already falling in parts of the north where some travel disruption likely, as well as a chance of some rural communities being cut off. Snow showers will continue through today and Tuesday here, and Northern Ireland will also be subject to some snow showers, especially over high ground.
“Ice will provide an additional hazard for many with overnight low temperatures well below 0°C for many. Further south wintry hazards will develop with parts of England and Wales affected by icy patches and snow in places tonight and likely further snow in parts of the south early Wednesday.”
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