Issued: 0930 Sunday 5th September 2021
Duty forecaster: Alexi Venerus
Very warm into next week, then turning more mixed with fresher temperatures
High pressure hangs on through the first half of the week with very warm temperatures for some. From mid week showery, thundery rain becomes widespread as lower pressure moves in. Temperatures pull back too. Brief settled conditions possible for next weekend.
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The area of high pressure remains to the east on Wednesday. More cloud drifts into Ireland and western Wales as well as western Scotland and southwest England. Rain then passes north through Ireland during the day, also reaching Wales and southwest England. Parts of west and southwest Scotland may also see some rain. The best of any sunshine in eastern regions. Very warm again for many with highs into the mid/late 20s across parts of east and central England, between 19 and 25C elsewhere.
Low pressure slowly drifts into the UK and Ireland on Thursday. This brings a more mixed day with some outbreaks of rain. The rain will be rather showery but may turn heavy and thundery at times. Highs at 25C in the east, a fresher 18C in the west.
The area of low pressure remains over the UK on Friday. Further showery bursts of rain are likely, and again these could be heavy and thundery in places. Reasonably mild again for the south and east with highs at 23C, cooler north and west at 18C.
Further bits of showery rain on Saturday with higher pressure to the west and lower pressure to the east. There will be some sunny spells here and there. Highs at 16 to 24C, warmest towards the southeast.
High pressure in the west looks to build in across the country on Sunday. This will bring mostly dry conditions, although sunshine may be limited. Best of any sunny spells further southwest. Possible light rain affecting the Northern Isles. Highs at 17 to 23C.
High pressure also looks to be about on Sunday, although through the day slides eastwards allowing for some cloud and patchy rain to move in to southwestern regions of England and Wales as well as across Ireland. Elsewhere staying mainly dry. Highs at 17 to 23C.