Icy stretches and sleet/snow showers are expected to develop overnight between 5 pm this evening and 10 am tomorrow (Tuesday, January 7).
The Met Office say it will bring some disruption, especially when travelling and some roads and railways are likely to be affected with longer journey times by road, bus and train services.
In a statement, the Met Office said: “Icy stretches are expected to develop this evening, due to ongoing wet surfaces following earlier rain and, in places, snowmelt.
“Frequent sleet or snow showers are also expected to move into southwest England in the early hours of Tuesday.
“In addition to the ice, these are likely to produce snow accumulations of a few cm above 200 metres. The heaviest snow showers may also produce temporary accumulations of 0-2 cm at low levels.”
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A yellow weather warning has also been issued by the Met Office for Tuesday and Wednesday this week, with heavier snowfall predicted across Wiltshire.
The Met Office say: “There is a small chance that power cuts will occur and other services, such as mobile phone coverage, may be affected.”
Whilst not all areas may be affected, outbreaks of snow may push in from the southwest during Wednesday, potentially giving some significant accumulations in places.
As precipitation clears eastwards and skies clear during Wednesday night, ice is likely to form on untreated surfaces.