Speaking to the Lancashire Telegraph, the weather service has revealed the outlook for Sunday, December 25 and explained just how likely we are to see snow on the big day.

A spokesperson said there is currently “some uncertainty” in the forecast for Christmas weekend but said the day itself is most likely to be “mild”.

It also said the north of England has a better chance of seeing wintry conditions than the south.

A spokesperson said: “At this stage there is some uncertainty in the forecast across the UK for the Christmas weekend.

“Uncertainty in the weather forecast details is not unusual and the current weather patterns are heightening those uncertainties.

"Confidence in the forecast is unlikely to increase until mid-week at the earliest and a range of outcomes are still possible. 

“However, what we can say is that Christmas Day will most likely be mild with a risk of rain or showers in places for the south, especially the far south, while any cold air and wintry conditions will most likely be confined to the north of the UK.”

At the time of writing, Blackburn with Darwen is set to see light showers and cloud on Christmas Day.

It’s a similar picture in Clitheroe and Nelson. In Rawtenstall it is expected to be cloudy.In Accrington and Burnley rain shows and sunny spells are forecast.

Met Office forecast for Blackburn with Darwen

• Thursday, December 22: Cloudy changing to light rain by lunchtime. Highs of 7°C and lows of 4°C.
• Friday, December 23: Cloudy changing to light rain by lunchtime. Highs of 6°C and lows of 5°C.
• Saturday, December 24: Heavy showers. Highs of 8°C and lows of 6°C.
• Sunday, December 25: Light showers changing to cloudy by lunchtime. Highs of 8°C and lows of 2°C.
• Monday, December 26: Cloudy changing to sunny intervals by lunchtime. Highs of 5°C and lows of 0°C.
• Tuesday, December 27: Cloudy. Highs of 6°C and lows of 4°C.

What is defined as a white Christmas?

The definition that the Met Office uses to define a white Christmas is for one snowflake to be observed falling in the 24 hours of December 25 somewhere in the UK.

A spokesperson said: “Traditionally we used to use a single location in the country to define a white Christmas, which was the Met Office building in London.

“With the increase in betting on where will see a white Christmas, the number of locations have increased and can now include sites such as Buckingham Palace, Belfast (Aldergrove Airport), Aberdeen (Pittodrie Stadium, Aberdeen FC), Edinburgh (Castle), Coronation Street in Manchester and the Millennium Stadium in Cardiff.

“We also analyse the data from our observing stations around the UK to provide a complete picture of where snow has fallen or was lying on Christmas Day.”