A chart by Netweather shows lows of -4C stretch from parts of Wales to northern Scotland.
The west country can also expect temperatures to plunge to -2C.
By 12pm on Friday, WXCharts snow probability maps show there is a moderate risk of snow to the east of the UK.
The chart, which shows a mass of orange and red to the east of the UK, predicts up to a 90 percent risk of snowfall in the north east.
Cold temperatures are expected to grip the UK this weekend (Image: Getty/Netweather)
UK cold weather forecast: Lows of -4C stretch from parts of Wales to northern Scotland (Image: Netweather)