article_snippet: Freezing temperatures will persist tomorrow with a low of -3C (27F) in the South.
article_snippet: It will be colder at nights but temperatures will stay closer to average for this time of year.
article_snippet: While daytime temperatures mean that it is unlikely snow will settle over the course of the day, more is expected to fall as temperatures plummet tonight.  
article_snippet: But clearer skies will also herald colder overnight temperatures - with the last frost for a while expected on Thursday morning.
highlights_snippet: Temperatures are expected to plummet overnight with readings of -1C expected in parts of northern Scotland .