Today: A wet and cloudy start across much of England, Wales and, perhaps, Northern Ireland with a risk of hill snow. A drier and brighter day for much of Scotland, although occasionally heavy showers in the north giving some snow.
Tonight: Mainly dry with clear skies and light winds, especially across Scotland where temperatures will fall well below freezing. A cloudier night across England and Wales, although still cold.
Sunday: Widely frosty, especially across the north and east. Rain in the southwest spreading to all parts and turning to snow in the north with accumulations likely.