The Met Office is warning of the risk of disruption as heavy snow is forecast across many parts of the UK on Friday.
A band of rain will push into the west into Friday morning, turning increasingly to sleet and snow. Parts of northwest England, Wales and the west midlands are particularly at risk of seeing significant falls of snow and the risk of blizzard conditions in the strong winds.
Met Office Severe Weather Warnings have been issued for the heavy snow. An amber warning is in place for parts of Wales and western England where accumulations of 10 to 15 cm are expected and 20 cm or more over the hills.
Whilst snow will fall over most areas, the far west, including Ireland, Cornwall and extreme western parts of Wales are expected to see rain.
Eddy Carroll, Met Office Chief Forecaster, said: "The snow is expected to be heaviest through Friday morning, slowly weakening and clearing east during the second half of the day.
"Clearly there is the potential for significant disruption to peoples plans. We should all keep up to date with the latest weather forecasts, advice from local agencies and be prepared to change our travel plans if necessary."
Darron Burness, head of the AA's severe weather team, said: "With the outlook remaining cold, drivers need to be prepared for possible disruption.
"Before heading out, check the Met Office weather alerts and traffic reports and allow a bit more time for your journey, as you don't want to rush on potentially icy roads. Do the basic checks on your car and, in case of any problems, carry plenty of warm clothing, blankets, de-icer and scraper, some food, hot flask and a fully-charged mobile."
Steve Crosthwaite, head of the Highways Agency's National Traffic Operations Centre said: "We advise drivers to check road conditions and the Met Office weather forecast before they set off and during severe weather to consider whether their journey is essential. They may want to delay their travel until conditions improve and to allow our winter fleet the chance to treat the roads.
"Our traffic officers are working round the clock to monitor the network, deal with any incidents and keep traffic moving."
Over the weekend, the UK will see less severe conditions but further outbreaks of rain, sleet and snow are expected to push in from the west at times. The snow that has fallen will be slow to melt and ice will continue to be a risk, especially at night.
