UK News Temperatures could fall as low as -9C in parts of UK
Northern Ireland weather problems as road flood sparks emergency rescue
Another weather warning has been issued by the Met Office. Temperatures are expected to plummet to as low as -3C as the yellow notice for ice comes into effect at 2am and is valid until 10am on Sunday. The Met Office said: "Following Saturday's wet weather skies will clear allowing surface temperatures to fall below freezing across much of Northern Ireland by early Sunday morning. "Surfaces in the east will likely remain wet with ice forming where these remain untreated with some disruption possible during Sunday morning.
Britons are being warned to brace themselves for what could be the coldest night of the year so far on Monday, with temperatures forecast to plummet to as low as -9C (15.8F) in places.
Rural Scotland is expected to bear the brunt of the cold weather.
On Sunday night, temperatures equalled the lowest of the autumn so far, reaching -8.1C (17.4F) in Tulloch Bridge and Dalwhinnie.
In Northern Ireland, they dipped to -5.1C (22.8F) in Katesbridge, County Down.
Public Health England (PHE) has issued a cold weather warning from 9am on Monday until 12pm on Wednesday.
Rain, hail...and maybe snow as cold snap kicks in across country
Rain, hailand maybe snow as cold snap kicks in across country © Getty Crisis as ‘Beast from East' looms While snow is predicted in areas on mountains and hills, a band of rain from the Atlantic will bring sleet, rain and even thunder in some parts of the country.
Tonight, parts of England and Wales are predicted to see temperatures of around -7C (19.4F).
PHE is urging people to look out for anyone who may need help to stay warm.
Dr Emer O'Connell said: "Older people and those with heart and lung problems are at risk of getting sick in cold weather."
The Met Office also says Monday night is expected to be frosty - and fog patches are likely to form in central and south-east England, and in eastern parts of Wales.
It has issued a yellow warning for fog from 4am on Tuesday until 11am, saying there is a chance of flight delays or cancellations and bus and train services could also be disrupted.
Sky News weather presenter Stephanie Gaulter said: "The winds have been bringing in cold air from the north over the past few days, bringing us a decidedly cold feel to the weather.
Fog and frost expected as UK heads for coldest night so far
The Met Office warned that Monday could be the coldest night across the UK as a whole, with temperatures dipping to minus 9C in rural Scotland.Fog patches are also expected to form across central and south-east England, and in eastern parts of Wales.
"The winds are expected to drop out overnight across Britain and this, combined with clear skies, will allow temperatures to plummet.
"Despite the icy feel, it's unlikely to be the coldest November on record - that was -23.3C (-9.94F) in Braemar in 1919. Now that is cold!"
But the chilly spell is not thought to last too long, with temperatures expected to rise throughout the week - although more cloud will push through in the south-west from the Atlantic, bringing an increasing chance of rain.
There is also a chance of some showers along the North Sea coast and in the far east of Scotland.
Large parts of the, with experts warning there could be problems until Tuesday.
On Monday the Environment Agency issued 35 flood warnings.
Yesterday, the rivers Severn and Avon burst their banks leaving properties waterlogged in Gloucestershire and Worcestershire.
And two people were rescued by helicopter after heavy thunderstorms led toin a coastal village in Cornwall.
Met Office's warning for ice as temperatures set to plummet in Wales .
There could be some icy stretches in Wales on Friday morningTemperatures are set to dip below normal for the time of year by the weekend.
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