Temperature plummets overnight – with ‘bitterly cold’ days to come 

More than 100 schools were closed in Scotland on Tuesday, while drivers faced difficult conditions thanks to the wintry weather across north-west England, including in Merseyside, Cheshire and Cumbria.

https://news.sky.com/story/tonight-could-be-coldest-january-night-for-14-years-with-bitterly-cold-days-to-come-13049938