The UK was hit by snow and freezing temperatures into Monday morning, with warnings that more bitter cold weather is on the way.<br/> In Loch Glascarnoch in the Scottish Highlands, 17 centimetres of snowfall was recorded, the Met Office said.<br/> In England, 15cm fell in the Cambridgeshire village of Wittering, and in Coleshill, a town in Warwickshire, central England. Wales endured its coldest night of the year with temperatures dipping to minus 9.7 °C at Sennybridge in Powys. The coldest temperature recorded in the UK was at Katesbridge in County Down, Northern Ireland, where the mercury fell to minus 10.4 °C. Freezing temperature warnings are in force in Wales going into Monday evening.<br/> Heavy snow fell across the UK on Sunday, forcing four vaccination centres in south Wales to close "for safety reasons". London did not escape the wintry showers with substantial snowfall in the capital. A rare "thunder-snow" event was reported in Hampshire amid the severe weather. The phenomenon happens when thunder and lightning mix with a heavy snowstorm, causing loud claps that can be confused with explosions. Highways England said the snow caused accidents on the M3, M27 and M25 motorways, and urged drivers to travel only if absolutely necessary.