Monday
Monday is cold for all with a widespread severe frost first thing across the north and some frost further south. A few places across central England into Wales may wake to a mix of rain, sleet and possible snow of which will soon fizzle away and clear. Meanwhile any spells of rain across SE England will soon clear. Otherwise, expect most places to see a dry day with lengthy sunny spells, particularly in the east. Always more cloud towards the west where there is a higher risk of wintry showers pushing on to coastal areas. Also, frequent and heavy snow showers continue on to northern Scotland. An overnight widespread harsh frost to be expected with ice forming. Highs at 1 to 4C.

Monday Night
Overnight, most will remain dry with clear skies. Snow showers continue on to northern and western areas of Scotland, some through the Irish Sea and on to northern regions of Wales and on to Liverpool and Manchester. Temperatures will drop with an extensive and severe frost expected to develop. Lows nationwide -1 to -5C, lower still for some others.
 

Tuesday
Tuesday is very cold and extensively frosty and icy throughout the day and across much of the nation. Largely dry with sunny spells, though expect snow showers on to northern and western coasts and hills. Snow showers frequently pushing on to northern Wales and the Liverpool area as well as across northern Scotland. Re-freezing overnight is to be expected as temperatures stay low. Highs struggling to lift much above zero; 0 to 4C.

Wednesday
Wednesday is cold, frosty and icy again with sunny spells and mostly dry weather though showers down coasts, many will be wintry with northern Scotland seeing frequent and heavy showers. Likely for again northern and western regions of Wales, particularly the higher ground here to see frequent and heavy snow showers. Some brief some snow flurries running further inland are possible too. A brisker wind today will make it feel even colder. Highs struggling again at 1 to 5C. Extensively frosty again overnight.