The warning from the UK Health Security Agency starts at midday today and lasts until 12 noon on Thursday January 18.
The South East is set for “a mix of sleet and snow showers” that will move in from the east, according to the Met Office.
The forecaster said: “There will be a resurgence in the really cold weather through the weekend and that spreads across the whole of the UK during the early part of next week.
“Initially, this means there will be more in the way of showers around the coasts, turning increasingly to snow for many areas, especially further north.”
The Met Office and others are advising that people check their car is ready for colder weather, make alternative plans in severe weather and keep checking forecasts to be aware of weather conditions.
There are still half a dozen flood warnings and multiple flood alerts in place throughout Oxfordshire, increasing the chances of ice hazards for motorists, cyclists and pedestrians.
We still have half a dozen flood warnings in Oxfordshire and multiple flood alerts. Do take care when out and about with reference to the amount of water still around and the icy conditions. More here: https://t.co/hqv7S1dFhX pic.twitter.com/FutheOPqq3
— Oxfordshire County Council (@OxfordshireCC) January 11, 2024
Last night Oxfordshire County Council put down salt on roads in the Cotswolds, central Oxfordshire and Chilterns and the North Wessex Downs.
Oxford’s Abingdon Road has fully reopened. It had been closed since Friday due to flooding. The High Street bus gate, which was temporarily opened, is now back in operation.
While both Redbridge and Seacourt Park and Rides impacted by flooding, the Oxford Parkway, Thornhill and Pear Tree are operating and people are encouraged to use these sites.
Most of the roads closed in Henley due to the flooding have now reopened, including both sides of Thames Side, Riverside, and New Street.
Other highways are being monitored regularly and will reopen as soon as it is safe to do so.