Snow could fall in parts of the UK this weekend, according to the Met Office.
Forecasters have also warned that a weakening polar vortex could increase the chance of cold weather later in November, the Mirror reported.
The warning comes as the Met Office says snow may be possible in parts of the UK this weekend and early into next week.
The forecast for Saturday says: “Largely fine and dry for England and Wales, although cloudier than previous days.
“Cloudier in northern Scotland with some rain and hill snow. Showers reaching southwest England later. Feeling cold.”
While the early Met Office forecast for next week says: “Unsettled with spells of rain or showers Sunday and Monday.
“Rain in the south on Tuesday, with some hill snow possible. Brighter with showers elsewhere. Often windy and feeling cold."
The Met Office said the current colder spell is not being caused by the polar vortex, but by a change in wind direction bringing colder air from the Arctic.
It said changes in the vortex can take several weeks to affect weather nearer the surface, and any influence is not guaranteed.
The forecaster said there had recently been stratospheric warming and a weakening of winds around the vortex, but the disruption could be short-lived.
Its outlook for November 17 to November 26 suggests changeable weather, with rain and wind at times, and temperatures often near or a little above average, particularly in the south.
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