UK could be set for coldest temperature of the year as yellow warnings for snow are brought forward

The UK could be set for its coldest temperature of the year so far as yellow warnings for snow across parts of Scotland have been brought forward.

The warnings come as Arctic air moves over Scotland and down towards northern England.

The Met Office said temperatures could drop below -10C (14F) on Monday night on higher ground in northern Scotland, with northerly winds making it feel even colder.

The wintry conditions could lead to up to 10cm of snow on higher ground in Scotland and 5cm at lower levels.

The UK Health Security Agency (UKHSA) has issued a cold weather alert and has placed northeast England, northwest England and Yorkshire under a level three alert, with the rest of England at level two.

A level three alert means there is a 90% chance of severely cold weather, icy conditions or heavy snow, which could increase the health risk to vulnerable patients, the NHS said.

All areas are under alert until midnight on Thursday.

Read the Sky News weather forecast

Meanwhile, the Met Office issued a yellow weather warning for snow in the northeast of Scotland, including Shetland.

It advises this could cause disruption to travel, with “some roads and railways likely to be affected with longer journey times by road, bus and train services”.

Yellow warnings of snow and ice also cover northwestern England and northeastern Scotland, and creep further down the east coast as far as Hull on Tuesday.

The Met Office brought the warnings forward to Sunday evening having earlier announced them for Monday and Tuesday.

Meteorologist Honor Criswick said on Sunday: “We are expecting a few more snow shower outbreaks into this evening and seeing a bit more snowfall early on, which is why the warning was brought forward.

“We are expecting pretty cold conditions and snow showers over the next few days across Scotland and northern parts of England.

“Temperature wise, we could possibly see lows of -10C in the sheltered glens and higher ground across northern Scotland on Monday night, so it’s going to be feeling quite cold and the breeze is picking up a little bit so will be feeling rather chilly.

“Potentially we could see some of the coldest temperatures so far this year. The lowest we have seen was in January at -10.4C, so we could see something turn lower than that.

“We are expecting between 5cm and 10cm of snow across higher ground, so if we see more accumulations on lower ground of between 2cm and 5cm we could see some travel disruption on Monday into Tuesday.”

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Areas affected by the warnings could experience power outages, delays to road, rail and air travel and icy surfaces, and some rural communities may be cut off by the freezing conditions.

Dr Agostinho Sousa, head of extreme events and health protection at UKHSA, said: “During periods like this, it is important to check in on family, friends and relatives who may be more vulnerable to the cold weather, as it can have a serious impact on health.

“If you have a pre-existing medical condition or are over the age of 65, it is important to try and heat your home to at least 18C if you can.”