Met Office warns of weeks of 'significant and widespread snow' as it ramps up forecast - Wales Online

The Met Office has forecast the potential for weeks of "significant and widespread snow" as temperatures across Wales are set to plummet.

The forecaster's long-range weather prediction for the UK details how there is a potential for "significant snow" during the middle of this month. The forecast for January 11 to January 20 predicts the air will likely get colder with "snow showers" across the UK.

Meanwhile, this week, temperatures are set to plummet in parts of Wales. Some areas will see 0°C temperatures at midnight on Sunday, with -2°C being seen in some of the coldest parts of the country.

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The Met Office's long range weather forecast for the UK from January 11 to January 20, says: "High pressure will remain in charge at first, whilst sitting to the north or northwest of the UK. Many areas will often be dry if rather cloudy, however, occasional light rain or drizzle is likely, especially on some east-facing hills.

"The best of any sunshine in sheltered western and perhaps southern areas and still rather chilly for most. Towards mid-month, the high will likely decline or reorientate itself to the west or northwest of the UK, potentially allowing colder air with snow showers to filter south across the UK and/or for frontal systems to approach from the southwest. The latter scenario would also bring the potential for significant snow and also perhaps some heavy rain to parts of the south. Either way a more unsettled outlook towards mid-month looks probable." Want less ads? Download WalesOnline’s Premium app on Apple or Android

It goes on to talk about the potential for 'widespread snow' following on from that. For the period from Sunday, January 21 to Sunday, February 4, it says: "Through this period, compared to normal, there is an increased chance of colder conditions along with the associated impacts from low temperatures, ice and snow. Whilst colder weather is more likely to dominate, there is also the possibility of further frontal systems at least encroaching from the west or southwest, bringing the potential for more widespread snow to parts of the UK as they butt up against any cold air in place. These would also increase the likelihood of wetter conditions redeveloping, at least in the south, where occasional milder interludes are also most likely."

How cold it will be where you are this week

Cardiff

In Cardiff on Sunday temperatures will be around 5°C during the afternoon, dropping to 2°C by late evening. Into the early hours of Monday morning, temperatures will be around 1°C with a colder day ahead on Monday as temperatures will sit around 3°C.

Swansea

Things a little warmer in Swansea this Sunday with temperatures around 6°C on Sunday afternoon - the warmest (if we can use that word) in Wales. By the evening the air will drop to around 1°C before falling to a freezing 0°C in the early hours of Monday morning. Monday afternoon once again a little chiller than Sunday, with the predicted temperature to sit around 4°C.

Builth Wells

Pretty cold in mid Wales on Sunday with temperatures around 4°C. This will then drop to 1°C by the late evening. By the early hours of Monday morning, temperatures will have dropped to a freezing -1°C.. It won't get much warmer than 3°C on Monday afternoon.

Cardigan

It'll be around 5°C in Cardigan on Sunday afternoon before dropping to 1°C late evening. Overnight temperatures in Cardigan will likely hit -1°C at 2am before rising to 3°C on Monday afternoon.

Merthyr Tydfil

Temperatures will sit around 4°C in Merthyr Tydfil this afternoon. The air will then drop to around 1°C by 9pm. Temperatures will reach -1°C by 3am on Monday morning, before creeping back up to around 2°C on Monday afternoon - one of the coldest in the country for that time. For the latest Welsh news delivered to your inbox sign up to our newsletter

Monmouth

Sunday is looking pretty cold for Monmouth as temperatures are set to be at around 5°C on Sunday afternoon. By the evening it will be around 1°C. It will reach -1°C overnight in Monmouth as we head into the early hours of Monday morning, by Monday afternoon will see temperatures at around 3°C.

Caernarfon

Daytime temperatures will be around 5°C in Caernarfon on Sunday before dropping to 0°C by 9pm. Temperatures likely to drop to -1°C by 4am on Monday morning. Another colder day, with afternoon temperatures sitting around 3°C.

Temperatures in Aberystwyth on Sunday afternoon will be around the 5°C mark before dropping to 1°C by 9pm. Overnight in Aber will stick around the 0°C temperature before creeping up to around 3°C during the afternoon on Monday.

St Asaph

Sunday evening will see temperatures around 2°C in St Asaph., a fall from 4°C afternoon temperature. Monday afternoon will likely be similar with temperatures around 3°C in the afternoon, a rise from overnight temperatures of around 0°C.

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2024-01-07 09:25:00Z
CBMiWWh0dHBzOi8vd3d3LndhbGVzb25saW5lLmNvLnVrL25ld3Mvd2FsZXMtbmV3cy9tZXQtb2ZmaWNlLXdhcm5zLXdlZWtzLXNpZ25pZmljYW50LTI4NDA0MTUz0gEA