Issued: 0900 Saturday 21st December 2019
Duty forecaster: Claire Darbinyan
Wet and windy with a risk of flooding south; drier for Christmas
Periods of rain, some of it heavy in the next couple of days, turning milder as well. A risk of localised flooding. The rain turns lighter into next week and conditions become a little cooler with temperaures closer to average. Confidence is low but Christmas Day and Boxing Day look drier and brighter for many at this time.
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Christmas Eve 24/12/19
A mixed start to Christmas Eve with an area of low pressure bringing outbreaks of showery rain to eastern parts of Ireland and across Wales and England. Strong winds too for southern and southwestern areas. Showers affect western parts of Scotland through the morning before a band of more persistent rain moves in here and spreads to northwestern parts of Ireland too. Rain clears to the east of England through the afternoon followed by isolated showers to the west. Highs at 3 to 5C for much of Scotland, Northern Ireland and northern England, 6 to 11C for Ireland, Wales and the rest of England.
Christmas Day 25/12/19
Confidence remains low at this time but it could be that Christmas Day starts mostly dry and bright across the UK and Ireland with just the odd scattered shower for far northern areas. Early mist and fog should clear leaving good spells of sunshine for eastern areas. Cloud builds to the west as low pressure arrives here later bringing unsettled conditions with outbreaks of rain and strong winds to southwestern Ireland. High temperatures at 4 to 8C.
Boxing Day 26/12/19
Again, confidence is low, but higher pressure could hold on over northern areas through Boxing Day to give another mostly dry and fine day here after early mist and fog patches clear. An area of low pressure brings cloud, strong winds and outbreaks of rain to Ireland, Wales and England with some more showery rain reaching Northern Ireland and southern Scotland. Highs at 3 to 7C for most, 9 or 10C to the far south of England and Ireland.
Friday may see high pressure move to the east and low pressure arrive to the west. A mostly cloudy day for the UK and Ireland but feeling milder, particularly to the south where warmer air arrives. Outbreaks of rain affecting Ireland, Northern Ireland, Wales, southwest Scotland and much of England with the exception of East Anglia. Highs at 3 to 7C for much of the UK, 8 to 11C for Ireland, Northern Ireland and the far southwest UK.
Saturday may see the British Isles sandwiched between two areas of low pressure. One area clears to the east through the morning leaving a dry but cloudy spell for much of the UK before another low arrives from the west bringing rain into Ireland, Northern Ireland, western Scotland and northwest England. Highs at 7 to 12C.
Low pressure to the northwest brings rain to northwestern parts of Ireland and Scotland. High pressure to the southeast brings a mostly dry but cloudy day to England, Wales and southeast Scotland. A strong breezy affects the whole country. High temperatures at 6 to 11C.