Overview
- The Met Office confirms a colder Arctic air mass will reach the UK early this week, with widespread frosts and a risk of snow and ice.
- Forecast models (GFS, WXCHARTS/Metdesk) indicate snow developing in Scotland on Tuesday and tracking south into Wednesday.
- Heaviest accumulations are expected on higher ground, with up to around 18cm in parts of Scotland and about 9cm on the Pennines, while many cities see little settling.
- Temperatures are set to tumble, with lows near -5C to -8C in places and daytime highs remaining in single figures after the first countrywide frost.
- Forecasters expect the wintry spell to ease for most by Thursday, though some northeastern areas could see lingering flurries, and details may change as updates arrive.