England baked in its hottest temperature of the year on Tuesday this week as 32.2C was recorded at Heathrow Airport in west London. But the heatwave is expected to end with thunderstorms across many regions of England and Wales this weekend. The Met Office has issued a yellow weather warning across much of England and Wales on Saturday and Sunday, saying heavy rain and thundery showers could cause flooding and transport disruption.
Brian Gaze, a forecaster at Weather Outlook, said temperatures could climb to 32C later today before warning there is a “change on the way”.
He said: “Temperatures climb above 30C (86F) in parts of the UK today as the heatwave conditions continue.
“However, there is a change on the way as an area of low pressure begins to approach from the southwest.
“It brings the risk of thundery downpours to southern and central Britain this weekend.
“Thursday starts dry. Through the day it becomes very warm or hot across most of the UK, although it will be cooler in eastern coastal counties.
“Temperatures range from 21C (70F) in northern Scotland to 32C (90F) in western England.
“Tomorrow will be fine in most of the UK. The warmest conditions will be in the west, but temperatures generally won’t be as high as in recent days. Through the evening and night, thundery downpours push up from the southwest.
“During Saturday heavy and thundery downpours push northwards across southern and central regions. The north has another dry and warm day.
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The maps then show the UK covered with red again on Friday as London, Leeds and Brighton see 25C and Manchester and Liverpool bake at 27C.
Berkshire, the Yorkshire Dales and Bristol could also see highs of 25C on the same day.
But Met Office meteorologist Tom Morgan said the heat will quickly end as some areas could see a month’s worth of rain this weekend.
He said: “In contrast to Tuesday when it was really torrential downpours and heavy hail, the weekend weather is just going to be more generally wet.”
The Met Office also predicted the end of July next week to see “unsettled conditions” of both sunshine and heavy showers.
The forecast for Monday, July 26, to Wednesday, August 4, said: “An unsettled start to the period, especially across eastern parts of the UK where some slow moving and heavy showers are likely, these possibly thundery at times.
“The best of the drier and sunnier conditions will be towards the west at first. Conditions are likely to become more generally unsettled by mid-week. Temperatures are likely to dip back to near normal to warm for most, particularly in the northwest of the UK.
“From the end of next week until early August, we will likely see changeable conditions with a mix of sunny spells and heavy showers, perhaps with some more prolonged rain at times. Currently, there is no preference towards any particular area seeing one regime dominate. Temperatures around average.”