An area of low pressure is pulling down a cold air from the north with temperatures set to drop as low as -10°C in places this week. Areas of Kent and Northumberland saw some snow on Monday morning, and there is a yellow warning for snow and ice in place in parts of Wales over a 24-hour period.
The Met Office says that showers will fall increasingly as sleet and snow in the north, and "even to lower levels". Overnight frost will become more widespread by Monday night, with overnight temperatures below 0°C across much of the UK. Temperatures could get down to -10°C in sheltered glens, or across high ground areas of Scotland where there is lying snow.
Deputy chief meteorologist, Helen Caughey, said: “After a spell of wet and mild weather to start 2023, a brief cold spell will change the feel of our weather across the UK for a few days next week. As a northerly flow establishes, we’ll see temperatures decline with overnight frosts returning and the chance of wintry showers in the north. It will certainly feel cold in all regions too, with the northerly winds creating a notable windchill.”
