Brits to shiver amid temperature change of -20C as UK weather turns wintry again

Brits should prepare for winter's final bite - a during which will fall below freezing across the UK.

The mercury hit 20.7C on Thursday, and so the temperature drop in the UK will be one of more than 20C in the next two weeks. The reported , and it will be cold enough - on or around Monday April 14 - for the white stuff to gather across the nation.

maps issued by forecasters at the National Oceanic and Atmospheric Administration (NOAA) and presented online by Ventusky show dark blue hues on Monday April 14 - when temperatures will be as cold as -2C across the likes of Lancashire, Scottish Highlands, and County Antrim. It will be -1C across the Midlands, including Staffordshire, that day.

These chilly figures are quite the contrast to Thursday's glorious 20.7C, recorded in Hampshire, and 20.4C, recorded in the Scottish Highlands, a region set to be one of the coldest later this month.

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It was 19.6C in Usk, Monmouthshire, on Thursday, but today is expected to be even warmer - with highs of 22C anticipate across the East of England. Forecasters believe Bedfordshire and Cambridgeshire will be the hottest counties later today.

But the change - and abrupt return of winter - comes as a band of low pressure slowly makes its way east across the Atlantic. When the jetstream finally moves, this cold blast will eventually arrive - and with it may come .

The wintry weather may even arrive some time before the coldest day - Monday April 14 - as the weekend prior. Those regions that dodge the white stuff will still see significant rainfall during that week - the first of the Easter school holidays for many areas - as the low pressure persists.

The refers to this unsettled sequence in its long-range forecast. Concerning the period of Tuesday April 8 to Thursday April 17, Its website reads: "Overnight frosts are possible on clear nights where winds fall light. There is also the chance of some areas of low cloud or fog, notably around the east coast. Towards the middle of April, the weather may turn more unsettled as rain or showers try to push in from the west."

There are 12 . These include concern for Flamstead and surrounding areas in Hertfordshire, as well as groundwater flooding in the Salisbury Plain area in Wiltshire. The Environment Agency continues to monitor these alerts.