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A Weather Office warning for snow and ice on Monday morning now covers most of Wales.
The forecasting service had issued a yellow warning for parts of North Wales on Saturday, but it was updated on Sunday morning to cover most of the country.
It came when Welsh weather anchor Derek Brockway said identifying which areas will see snow has been difficult.
He said: “It looks like some parts of Wales will wake up to a layer or layer of snow tomorrow morning (Monday 28th December).
“However, pinning down the details, even at this relatively late stage, is proving tricky with the differences between the models.”
He shared photos of the four models :
The Met Office yellow weather advisory is in effect from midnight Monday (December 28) until 6 p.m.
It says: “An area of rain is likely to move south overnight on Sunday and Monday across parts of England and Wales.
“There is a possibility that this will turn to snow for a time. There is a lot of uncertainty as to where the snow develops and in some areas there is little or no accumulation.
“However, there is a very low probability that they will fall between 1 and 3 cm, and locally between 5 and 10 cm in some places, particularly on higher ground in Wales above 200 meters.
“Besides snow, spread ice can also be a problem, especially when treatment has been removed from road surfaces.”
Areas of Wales covered by the advisory include:
- Blaenau gwent
- Bridgend
- Caerphilly
- Cardiff
- Carmarthenshire
- Ceredigion
- Conwy
- Denbighshire
- Flintshire
- Gwynedd
- Merthyr Tydfil
- Monmouthshire
- Neath Port Talbot
- Newport
- Powys
- Rhondda Cynon Taf
- Swansea
- Torfaen
- Vale of Glamorgan
- Wrexham
The latest weather advisory comes after Wales was hit by storm Bella overnight from Saturday to Sunday with gusts of winds of more than 80 mph.
Western Power said about 1,000 houses have been without power in South Wales, including 480 in Monmouthshire.
Dyfed-Powys police said the road conditions were “treacherous”, with many reports of downed trees.
On the A470, a downed tree temporarily closed the road between Builth Wells and Llyswen, and the A40 between Llywel and Llandovery was also closed before reopening Sunday morning.
An 83 mph gust was recorded in Aberdaron, Gwynedd on Saturday night amid a weather advisory from the Met Office.
Weather in your area:
Here’s the five-day forecast for Wales from the Met Office:
Sunday:
A wet day for most with widespread rains that persist everywhere. These will be heavy at times and possibly wintry over hills. Cold sensation, with clear spells in the morning, but the cloud thickens later. The winds die down but are still windy. Maximum temperature 6 ° C.
Tonight:
The rains are likely to continue through the night. Overnight, a swath of heavy, wintry rain moves across the country from the west, carrying the risk of ice and snow. Minimum temperature 0 ° C.
Monday:
A humid morning with downpours coming from the west, sometimes strong and wintry over the hills. Risk of thunder on the coasts. Drier for most overnight. Cold everywhere. Maximum temperature 7 ° C.
Outlook from Tuesday to Thursday:
Additional rains during this period, sometimes wintry, particularly along the coasts. Cold and windy throughout with winter hazards and freezing fog, lingering in prone spots, probably most areas.
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