Thursday will see the change to much colder weather as a weather front sweeps down from the arctic, bringing firstly rain, and then sleet and snow, possibly leaving a covering of snow before clearer conditions return. As the front goes through the drop in temperature will be very sharp, with icy conditions quickly developing. Through Friday, and the weekend it will remain very cold. At the moment it looks as though Saturday could bring VERY heavy snowfall right across southern and central parts of Britain, leading to significant disruption. The details of this will become clearer during the next 36 hours. The cold weather is expected to continue next week with the risk of further sleet and snow, although there is the chance of some of this turning back to rain at times in southern areasFor Friday, snow showers continuing across northern and western Scotland, Northern Ireland, Wales and SW England, bringing further accumulations, with potential for disruption to travel. Elsewhere, it will be bright or sunny, with the odd isolated snow showers possible on the northwesterly winds. Bitterly cold everywhere with temperatures barely getting above freezing at best, with a significant wind chill in areas exposed to the northwest wind. A hard overnight frost to follow.
For the weekend, staying very cold with risk of further snow. Early Saturday morning – an area of low pressure looks to develop across the Celtic Sea, deepening as it moves east, bringing the threat of widespread and heavy snowfall spreading east across England and Wales during the day, this has the potential to cause major disruption, so keep an eye out for weather alert updates from Netweather. Across Scotland, bright and sunny though snow showers affecting costal areas. Sunday at the moment looks like being mainly dry, cold and sunny after snow clears the east first thing, though some snow showers still possible towards the coasts. Continuing cold early next week, with risk of further snow perhaps in places. There are tentative signs that it may turn less cold in the south in time for Christmas day, but low confidence in this. so wensday next week less cold and snow for new yeres day Our tenth Christmas 2010 forecast suggests no change to the chance of snow falling on Christmas day across Britain. Chances overall are now notably higher than average, and we think there is a good chance of cold weather persisting for much of the second half of December, although there are SOME indications of milder weather returning have a safe christmas and new yere G Bamford