Issued: 0900 Saturday 12th September 2020
Duty forecaster: Claire Darbinyan
Wet & windy weekend in the north; drier, brighter south.
Staying largely dry in the south with warm temperatures rising over the coming days. Wet and windy with rain at times in the north but with mild temperatures here. Through next week there will be plenty of dry and fine weather around as high pressure stays close by though there will also be rain and showers at times too as weak fronts try to cross the country. Thunderstorms could become a feature of the weather over southern areas later in the week.
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Low pressure to the west and high pressure to the east brings a very warm southerly airflow to the UK and Ireland. An area of low pressure to the north of Scotland may brig outbreaks of rain here while Ireland and Northern Ireland are at risk of scattered showers, some of which may be thundery. Much of England and Wales as well as southern Scotland staying dry and fine with the slight chance of an isolated thunderstorm developing here later. Very warm too with highs at 20 to 30C.
Confidence is improving in this part of the forecast as a ridge of high pressure is expected to build from the north. A weak front moves southwards through the day bringing patchy rain and light showers to parts of Northern Ireland, Ireland, southern Scotland, England and Wales though these tend to fade as they edge southward. Dry and fine for much of Scotland with the best of the sun to the west. Staying warm as high temperatures range from 18 to 29C.
High pressure is squeezed slowly to the northeast on Thursday as a front approaches from the west. A largely dry and fine day across much of the UK and for eastern Ireland though eastern coastal regions of England and Scotland could see some mist and fog patches developing. Cloudier to the west of Ireland with patchy rain arriving here later. Cooler with highs at 28C in the south and 16C in the north.
High pressure holds on to the east as a weak front makes its way across Scotland, Northern Ireland and Ireland on Friday. This brings cloudier skies here and outbreaks of rain. Staying dry and fine for much of England and Wales. Highs ranging from 13 to 25C.
Saturday could see high pressure build back over northern parts of the British Isles while lower pressure stays to the south. A largely dry and fine day for most areas though southern parts of England may see more in the way of cloud. Highs range from 13 to 23C.
A similar day to Saturday with high pressure in control but low pressure close by to the south. Largely dry and fine once again but southern parts of England stay cloudier with a risk of showers. Highs range from 12C in the far northwest to 22C in the southeast.