Forecasters are warning of below normal temperatures and an above average risk of snow.
This is thanks to something currently happening above the Arctic called sudden stratospheric warming.
When cold spinning air high in the atmosphere slows down this results in a change wind direction from the east.
With winds coming from an easterly direction this means colder temperatures and a big risk of snow.
Similar conditions happened at the start of 2018 nicknamed ‘the beast from the east’ and forecasters now expect that it could return at the end of January.
This is because the affects of sudden stratospheric warming takes a few weeks to appear.
Meteogroup who provide the weather for BBC say: “The last full week of January is when we are likely to see an increased chance of cold north-easterly winds affecting the country.
“Temperatures are likely to dip below normal for the time of year, and this will bring an above average risk of snow.”
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