An updated weather warning for snow and ice has been issued with warnings of potential disruption.
The Met Office issued the warning for snow and ice which runs from 9pm today (Saturday, February 6) until 10am tomorrow (Sunday, February 7).
The warning covers Bristol, Bath and North East Somerset, Gloucestershire, North Somerset, Somerset, South Gloucestershire, Swindon and Wiltshire.
Forecasters say outbreaks of rain, sleet and snow will move westwards across the region during Saturday night.
There could be between one and four centimetres of snow accumulating, mainly on the hills, at levels of above 200-300 metres.
As temperatures plummet to below freezing, ice will form on untreated surfaces, causing potential dangers on the roads.
The Met Office says that some roads and rail services are likely to be affected by the freezing conditions and people should expect longer journey times.
It is also warning there could be some injuries and falls due to slips and falls on icy surfaces and that there will be icy patches on some untreated roads, pavements and cycle paths.
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Temperatures are due to plummet to around minus two tonight.
Tomorrow is also expected to see arctic conditions with a maximum daytime temperature of just three degrees thanks to a keen north easterly wind.
Occasional snow flurries are also expected.