Short-lived snow in the forecast as the Scandinavian high gives up the fight

13th December 2018 09:34

Short-lived snow in the forecast as the Scandinavian high gives up the fight

We have some snow later in this forecast as a Scandinavian high begins to give way to advancing Atlantic systems, but the snow into the coming weekend will be a transient affair. It could cause a few problems for a while though during Saturday, mostly over hills and in the North and East, before milder air returns from the South West.

Apart from a few showers over North East Scotland wintry on hills and some patchy rain this morning over the Channel Islands, Isles of Scilly, Cornwall and across the West of Northern Ireland much of the country will be dry today, with the showers in the far West tending to peter-out. Central and eastern areas, in particular, are waking to a frost that'll clear in a day that'll see variable amounts of cloud, but with some sunshine in most parts. Across the far West though and over Northern Ireland, there'll be more cloud, although towards Belfast, in particular, you should see some hazy or watery sunny intervals coming through later.

An East or South Easterly wind will be moderate or fresh locally strong in the West and in exposed areas and will feel increasingly raw. As a result, temperatures will get no higher than a cold 4 or 5C in central and eastern regions and 6 to 8C in the West making it less mild here than of late.

Wind chill making it feel sub-zero for many today

While cloud amounts will continue to vary, there'll be clear spells after dark leading to a fairly widespread and penetrating frost. With an easterly wind somewhat lighter, a few mist patches could form in sheltered rural valleys, as temperatures fall to between -2 and +2C. In the far West and towards Tyrone and Fermanagh any frost will be patchy due to more in the way of cloud and a fresher South Easterly wind. A few showers are still possible over Cornwall, the Isles of Scilly and the Channel Isles, but for the bulk of the country, it'll be dry evening and night. Lowest temperatures in the West 1 to 4C, but 5 to 7C across the far South West.

Friday will be the coldest day of the week for much of England, Wales and Scotland, with an East or South Easterly wind, although somewhat lighter continuing to feel bitterly cold. It'll stay mainly dry though with spells of hazy sunshine, although cloud amounts will vary making some parts rather grey at times. In the far West you'll see more cloud and again maybe the odd shower, these mostly towards Donegal and across the Isles of Scilly and the Channel Islands. Here it'll be somewhat milder with temperatures reaching 6 to 8C in a fresher South Easterly wind, but across central and eastern areas, the thermometer will get no higher than 2 to 4C.

Even colder wind chill on Friday

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Most parts have a dry evening and night with clear spells mostly in central and eastern regions, leading to another frost as temperatures fall to -2 or -3C in the coldest spots. Later in the night though, a freshening South Easterly wind should lift temperatures a little, In the far West although feeling raw in the wind most parts should escape a frost. Here there'll be increasing cloud as Atlantic systems begin their approach, with outbreaks of rain moving into probably the South West and the West of Northern Ireland that could be preceded by a little snow over the mountains of Derry. The extent of this though is somewhat uncertain at present, with temperatures here probably not falling below 2 to 5C.

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