The UK is bracing for a cold snap as weather forecasts indicate temperatures could plummet below freezing on April 25 and 26. Regions such as Scotland and northwest England are expected to experience the harshest conditions, with temperatures potentially falling to -4C in cities like Aberdeen, Glasgow, and Dundee. Other areas, including Newcastle, Blackpool, and Manchester, may also face cold spells reaching -3C. According to WXCharts.com, this chilly weather follows a period where temperatures in some parts of the UK, like Canterbury, Kent, could exceed 20C due to a warm air plume moving north from Europe. The Met Office's forecast from April 18 to April 27 suggests initial showers mainly affecting the northwest, but the weekend may bring fine and dry weather with chilly nights. As the cold air approaches, the likelihood of rain increases in western areas, while northern and eastern regions may enjoy drier conditions.