It will be a chilly start to the week, as temperatures may plunge as low as -6C (21.2F) tonight, with a light dusting of snow possible in some hilly regions.
Temperatures will possibly turn milder over the weekend, with daytime highs generally a few degrees below the February average and often a rather raw east to south-easterly wind.
Fairly cloudy skies and the wind will tend to keep most places frost-free, although it will feel freezing, but lighter winds and clearer conditions over western parts in particular will allow temperatures to drop below zero on occasion.
Get the weather forecast where you are
Some parts of north-western Scotland may see temperatures as low as -6C tonight.
It will be cloudy for many with rain and showers at times. A covering of snow is likely over some hills, and over some central parts.
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There will also be icy patches and overnight frost in places, although the weather is not expected to be disruptive.
A yellow cold health alert has been issued by the UK Health Security Agency (UKHSA) for the south-east of England and parts of northern England and remains in place until 9am on 11 February.
It may get brighter by the middle of the week but that forecast is still uncertain.
Thousands without power after Eowyn
Thousands of people remain cut off from electricity more than two weeks after Storm Eowyn’s record-breaking winds hit Ireland.
Power has been restored to 764,500 homes, farms, schools and businesses but some 3,500 remain without supply.
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Amid the reconnection efforts, scam text messages are purporting to come from ESB Networks.
The National Cyber Security Centre warned members of the public to exercise caution when receiving messages from unknown numbers, and said government departments, agencies and banks will never text asking unexpectedly for bank details.