Friday
Cold on Friday with morning frosts for many, widespread north. Wintry showers affecting northern and eastern coastal areas, as well as feeding into the Irish Sea and Welsh coasts. Showers will be wintry, snowy where reaching further inland with accumulations in northern Scotland. Further south and well inland, conditions will be mostly dry and sunny. Highs of 1C in the north and 3C in the south, locally up to 6C in southwest coastal areas; feeling chilly in a brisk northerly wind.

Friday Night
Snow showers affect northern parts of Scotland and Ireland, these showers drift south along the English east coast and into the Irish Sea, grazing west Wales. Some of the snow showers in the north and east may be heavy with hail mixed in near the coast. Largely clear skies well inland will allow for substantial overnight cooling, feeling risk in the cold northerly wind. Lows of -1 or -2C for most, though cooler in upland areas.

Saturday
Another cold day with wintry showers continuing in northern Scotland and the east coast, perhaps more frequent and heavy than prior days. Showers increasingly snowy with accumulations down to low elevations likely. Fewer showers over Ireland and the Irish Sea than prior days. Often sunny for many away from coasts and showers. Highs of 0C in the north and 3C in the southwest; many upland areas will not reach above freezing all day. Widespread frost developing early in the evening.

Sunday
A widespread hard frost Sunday morning with more wintry showers along coasts. Inland areas remain largely sunny. Wintry showers more frequent than prior days in northern parts of Ireland and western Wales, a few snow showers may push into the west Midlands as well. Highs of 0C in the north and 2C in the south, widespread frost redevelops overnight.