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North Wales Live
a day ago
- Climate
- North Wales Live
Week-long summer holiday heatwave could leave parts of Wales baking in 35C
Ridges of high pressure over the Continent have the potential to bring extreme heat to Wales and England in the second week of August. A heatwave lasting a week or even longer is being forecast by one weather model with the mercury soaring to 37C in places. GFS model runs suggest heating building on Sunday, August 3, and peaking on Sunday, August 10. If this happens, Monmouthshire could see highs of 35C with the North Wales coast hitting 31C. Forecasts suggest the heat slowly ebbing from west Wales on Monday, August 11. However Border counties could still see highs of 31C-33C, with a scorching 37C in central England. Hot weather from Spain and Portugal is currently being held at bay by low pressure trapped by the Jet Stream. An Azores high is nudging into southwest Britain, creating a north-south divide which is expected to remain the dominant pattern into early August – rain further north, more settled in the south. But by the second week of August, the Azores high could break free of its shackles. Writing over the weekend, Netweather meteorologist Ian Simpson said: 'Longer range outputs from the GFS model indicate that, from there, it won't take much to get some of that hot weather in Spain and Portugal spreading back northwards through western Europe, should one of those ridges of high pressure head eastwards into central Europe. 'This is a long way off, and substantial heat through Britain and France looks unlikely for at least another 10 days.' Despite this, the Global Forest System (GFS) indicates heat starting to build next weekend, from Sunday, August 3, initially in southern Britain. By Tuesday, it forecasts the plume of warm air reaching east Wales, bringing highs of 24C in Monmouthshire and 23C further north. During the course of the week, the warm air is modelled to slowly move into northwest Wales, peaking over the second weekend in August. On current forecasts, only northern Anglesey and the tip of the Llŷn Peninsula may miss out. On Sunday, highs of 33C could be seen in mid and northeast Wales. Temperatures on the North Wales coast are set to be a balmy 31C, with Gwynedd's western coast hitting 28C-29C. Hot weather may persist over England into the following week, the GFS model suggests. Forecasts at this range are mired in uncertainty and not all models agree. For example, ECM forecasts suggests any influx of heat over Britain could struggle to reach Wales and northern England. However the Met Office said there are 'hints of a more settled August", with 'tentative signs of a more settled spell developing' early in the month. Thereafter, the national forecaster remains cautious. 'Some models are hinting at a Scandinavian high building to the north of the UK, which could bring drier and warmer conditions,' it said. 'However, confidence remains low at this range.'
Daily Mirror
20-07-2025
- Climate
- Daily Mirror
UK weather: Huge 29C heat blast returns to Britain as maps turn RED
New weather maps have shared that the UK could be hit with another heatwave, with temperatures nearing to 30C. According to forecasters, Brits will feel the heat from as early as next week Brits could get to bask in the sun again with a fourth heatwave on the cards offering temperatures of up to 29C, according to weather maps. New data by WXCharts and Netweather have revealed that the UK might see a switch in conditions in less than a week. It comes after areas across the country were hit with torrential rain throughout the week and weekend - sparking travel disuption and flood warnings. Luckily, a wrath of heat is set to return on July 25, with major cities expected to be plunged under the sweltering temperatures. The weather maps, highlighted red to represent the level of warmth, showed the South of England should come out on top. Furthermore, the Met Office said the UK should experience "prolonged drier and sunnier interludes". However, showers will continue during this time. Areas such as London and Berkshire could be hit with 29C heat. Meanwhile, the Midlands may also get close to 30C, with Birmingham, Leicester, Wolverhampton, and Coventry all sitting around 27C or 28C. North England is due to be much cooler, with temperatures averaging around 17C in areas such a Lancashire, Cumberland, and the Lake District. The 10 hottest cities will be: London, Gloucester, Worcester, Southampton, Portsmouth, St Albans, Leicester, Coventry, Birmingham, and Cambridge, reports the Express. The Met Office long range forecast for July 25 to August 2 reads: "Following an unsettled week, drier conditions are expected to extend to most parts for a time during Thursday or Friday. By next weekend, a weather regime dominated by westerly winds is likely to become established. While showers or longer spells of rain will remain possible for all parts of the country, the focus of wet weather is expected to be across the northwest. "More prolonged drier and sunnier interludes can be expected across southern and eastern areas. Likely breezy at times, especially in the north. Temperatures are most likely to be near to average for the time of year with only a small chance of hot spells during late July and the start of August."
Wales Online
07-07-2025
- Climate
- Wales Online
Week-long UK heatwave on way with 'monster' temperatures possible later this month
Our community members are treated to special offers, promotions and adverts from us and our partners. You can check out at any time. More info A third UK heatwave is expected this week and some models suggest it could last at least a week with a short interlude in between. One renowned meteorologist has detected signs this summer is 'reminiscent of summer 2022' when the mercury hit 37.1C in Flintshire and 40C in eastern England. Most weather models have backed down from scenarios showing these kind of extreme temperatures in the coming days. More likely is temperatures sitting around 5C-10C lower than these peaks. The GFS system is currently suggesting highs of 31C in the Welsh Borders over several days. In its ensemble forecasts, the Met Office is more cautious, predicting peaks 1C-2C lower. However Netweather meteorologist Ian Simpson said 'monster' temperatures cannot be ruled out for late July. 'It now looks probable that any really exceptional heat will not set in until later in the month,' he said. Heat is expected to start building from Wednesday, July 9, as warmer air moves up from the near continent. As this plume moves north, the West Midland is in the firing line, with the heat spreading across Wales. The weekend is expected to be very warm, peaking on Saturday, July 13: according to the Met Office, highs of 28C-29C are expected widely across North Wales. Sign up now for the latest news on the North Wales Live Whatsapp community The forecaster said Wales will become 'increasingly warm' at the end of this week. By Friday and over the weekend, the Met Office: 'Many parts of the UK are expected to be part way through a period of high temperatures and humidity. The duration, geographical extent and intensity of the heat are all rather uncertain at present, but there is the potential for some very hot weather to be realised, especially across some inland southern and eastern areas.' (Image: WXCharts) Current models suggest some respite early next week with the heat plume retreating from Wales and ebbing in England. By Wednesday, July 16, the heat may then start building again, particularly in England. At present, it's less certain whether high temperatures will return to Wales, thought the expectation is that it will be warmer than average. Mr Simpson said the weather patterns seen so far this year have echoes of those in 2022, when continental Europe experienced its hottest ever summer. Like then, rainfall totals have been low, especially in eastern England. Parched ground has primed some regions for a 'higher than average chance of substantial heatwaves', he said. As in 2022, the UK weather has also been marked by an 'enhanced northwest-southeast split", with cloudier and wetter weather in northwest Britain. Despite this, Mr Simpson said: 'I see it as unlikely that we will see another 40C in Britain this year, as a lot of things would have to fall into place synoptically for that to happen. "But the chances of it are higher this year than during the summers of 2023 and 2024, and the chances of us getting into the mid-30s Celsius at some point this summer are quite high.' Next week, hotter weather is forecast to establish again over western Europe, with temperatures widely in the mid-30s in France. Sign up for the North Wales Live newsletter sent twice daily to your inbox Mr Simpson said: 'This will leave Britain quite prone to the occasional burst of notable heat, especially in the east of England, during the second half of July, should we pick up a southerly flow pulling this hot air in from France at some stage. 'The forecast models have, however, currently backed down from predictions of monster heatwaves with temperatures widely into the low 40s Celsius in France and touching 40C in parts of England around 12-15 July. "Temperatures in these regions, while still hot by most standards, are now generally forecast to be around 5-10C lower than those figures.' Higher peaks are possible later in the month, he added. Find the weather forecast where you live
North Wales Live
07-07-2025
- Climate
- North Wales Live
Week-long UK heatwave on way with 'monster' temperatures possible later this month
A third UK heatwave is expected this week and some models suggest it could last at least a week with a short interlude in between. One renowned meteorologist has detected signs this summer is 'reminiscent of summer 2022' when the mercury hit 37.1C in Flintshire and 40C in eastern England. Most weather models have backed down from scenarios showing these kind of extreme temperatures in the coming days. More likely is temperatures sitting around 5C-10C lower than these peaks. The GFS system is currently suggesting highs of 31C in the Welsh Borders over several days. In its ensemble forecasts, the Met Office is more cautious, predicting peaks 1C-2C lower. However Netweather meteorologist Ian Simpson said 'monster' temperatures cannot be ruled out for late July. 'It now looks probable that any really exceptional heat will not set in until later in the month,' he said. Heat is expected to start building from Wednesday, July 9, as warmer air moves up from the near continent. As this plume moves north, the West Midland is in the firing line, with the heat spreading across Wales. The weekend is expected to be very warm, peaking on Saturday, July 13: according to the Met Office, highs of 28C-29C are expected widely across North Wales. The forecaster said Wales will become 'increasingly warm' at the end of this week. By Friday and over the weekend, the Met Office: 'Many parts of the UK are expected to be part way through a period of high temperatures and humidity. The duration, geographical extent and intensity of the heat are all rather uncertain at present, but there is the potential for some very hot weather to be realised, especially across some inland southern and eastern areas.' Current models suggest some respite early next week with the heat plume retreating from Wales and ebbing in England. By Wednesday, July 16, the heat may then start building again, particularly in England. At present, it's less certain whether high temperatures will return to Wales, thought the expectation is that it will be warmer than average. Mr Simpson said the weather patterns seen so far this year have echoes of those in 2022, when continental Europe experienced its hottest ever summer. Like then, rainfall totals have been low, especially in eastern England. Parched ground has primed some regions for a 'higher than average chance of substantial heatwaves', he said. As in 2022, the UK weather has also been marked by an 'enhanced northwest-southeast split", with cloudier and wetter weather in northwest Britain. Despite this, Mr Simpson said: 'I see it as unlikely that we will see another 40C in Britain this year, as a lot of things would have to fall into place synoptically for that to happen. "But the chances of it are higher this year than during the summers of 2023 and 2024, and the chances of us getting into the mid-30s Celsius at some point this summer are quite high.' Next week, hotter weather is forecast to establish again over western Europe, with temperatures widely in the mid-30s in France. Sign up for the North Wales Live newsletter sent twice daily to your inbox Mr Simpson said: 'This will leave Britain quite prone to the occasional burst of notable heat, especially in the east of England, during the second half of July, should we pick up a southerly flow pulling this hot air in from France at some stage. 'The forecast models have, however, currently backed down from predictions of monster heatwaves with temperatures widely into the low 40s Celsius in France and touching 40C in parts of England around 12-15 July. "Temperatures in these regions, while still hot by most standards, are now generally forecast to be around 5-10C lower than those figures.' Higher peaks are possible later in the month, he added.
Daily Mirror
11-06-2025
- Climate
- Daily Mirror
UK weather: Exact date for 30C 'Iberian plume' heat blast as maps turn deep red
The 'Iberian plume' will bring a warm and humid air mass to the UK this week, fresh from southern Spain where temperatures soared to 43C on Sunday, according to forecasters The UK is bracing for a dramatic end to the week as a blast of searing air from the Iberian Peninsula could push temperatures to their highest so far this year. The 'Iberian plume' will bring a warm and humid air mass - fresh from southern Spain where temperatures soared to 43C in Andalucía on Sunday. The heat blast is set to kick off midweek, with temperatures on Wednesday expected to reach 25C to 27C across central, southern and eastern England, with low 20Cs elsewhere. But the real shift will occur on Friday, June 13, according to Netweather. Forecast models show the mercury potentially reaching a scorching 30C in London and parts of East Anglia - making it the hottest day of the week. Elsewhere across England and Wales, temperatures are set to climb into the mid to high 20Cs. Scotland and northern regions won't escape the warmth entirely, but things will be a little cooler, with highs around 20C. But despite the upcoming heat, a thunderstorm risk looms large throughout the latter half of the week. From Wednesday evening, storms are expected to begin rumbling into the southwest, with two waves of thundery action forecast. The first will move across Devon and Cornwall overnight into Thursday, followed by a second line of heavy rain and storms sweeping northeast during Thursday morning. While these will lose some strength as they move further north, another burst of activity could spark more chaos on Friday evening and overnight. Forecasters say a pulse of warm air arriving from the south on Friday could combine with a passing cold front and generate more widespread thunderstorms, especially across southeast England and East Anglia. The Met Office echoed the warning, saying it will be 'very warm and humid on Thursday and Friday with the risk of some heavy and thundery downpours developing.' By Saturday, the outlook is for further heavy rain in places, but it will begin to feel fresher from the south. Met Office Deputy Chief Meteorologist, Mike Silverstone, said: 'After largely benign weather early in the week, some intense, thundery showers will move in on Wednesday evening. These thunderstorms are being triggered by some warm, humid air that is moving into the UK from the south. "The intense rainfall could see 20-40mm accumulating over just a few hours, which could cause some disruption. While there are no severe weather warnings issued at the moment, it is possible thunderstorm warnings may be issued this week.'
