With thunder and lightning expected this weekend, areas of Wales could also see a spot of rain according to forecasters. After more than a month without rain for parts of Wales, it is expected to turn humid with a risk of thundery showers.
The lightning forecast comes as Met Office alerts for heat in parts of Britain this weekend and thunderstorms in Wales and apart of England. Wales is expected to see daytime temperatures of between 21 to 23 degrees on Saturday and Sunday according to the forecaster, making it one of the warmest weekends of the year so far. You can read more about the thunderstorm warning here.
The Met Office says people in Wales should expect it to feel "very warm" from Friday into the weekend with a chance of thunderstorms on Saturday and Sunday. The current forecast for Wales for the weekend reads: "Long sunny spells on Friday once early morning cloud clears. Becoming windy. Feeling very warm with temperatures climbing. Chance of heavy showers, perhaps thundery on Saturday and into Sunday."
Read more: Lightning forecast for Wales as hot weather set to continue
Here is our hour-by-hour forecast for the weekend ahead:
Saturday
10am
It will be a mostly fine and dry start with plenty of warm sunshine, according to the Met Office. Temperatures will be around the 21°C mark in places such as Caernarfon in Gwynedd, 18°C in Cardiff and 17°C in Newtown. Rainfall will affect some parts of the Welsh coastline, including south of Pembrokeshire, Swansea and Gwynedd. Nevertheless, it will become increasingly warmer as the day goes on.
1pm
In the afternoon, the rainfall on the Pembrokeshire coastline will have spread more easterly, reaching 0.5-1mm/ hour in some parts and even 4-8mm/ hour in other parts by 1pm. The rest of Wales will still remain dry and warm, with temperatures reaching 22°C to 24°C in areas of Anglesey and Gwynedd, while its predicted to be around 21°C in areas such as Merthyr Tydfil and Pontypridd in the south.
4pm
By 4pm, scattered showers will have reached mid Wales, with areas such as Builth Wells and Llanwddyn in Powys set to have 4-8mm/ hour and neighbouring areas said to be experiencing as much as 32mm/ hour. It will still remain largely warm in these areas and across Wales, with the maximum temperature reaching 25°C over in Wrexham.
7pm
It will have cooled down a little but still remain warm by the evening. The Met Office has warned it might feel uncomfortable overnight on the weekend. Heavy rain will have reached large parts of Anglesey, as well as areas of Powys such as Welshpool. It is forecasted that there will be lighter rainfall in other parts of Wales, including Lampeter and Bala, but the south of Wales will remain largely dry.
Sunday
10am
On Sunday morning, temperatures will have dropped across Wales in comparison to what is predicted for Saturday morning. Temperatures will be around the 17°C to 19°C mark, with some areas north east Wales reaching as much as 20°C. While a large part of the Irish Sea is set to experience rainfall by 9am, the Met Office forecasts that the Conwy coastline near Llanfairfechan and Penmaenmawr will be the only area in Wales that will be affected by the rain.
1pm
By 1pm, south and southwest Wales will largely be dry, while parts of Ceredigion, Powys, Denbighshire, Conwy and Wrexham will be experiencing some showers. Parts of Denbighshire is forecast to have the heaviest of rainfall, predicted to be around 4-8mm / hour in some parts.
4pm
Later in the afternoon, the rain will have mostly cleared but will remain in some areas of north and mid Wales. There will be a scattering of showers in areas such as St. Asaph, Ruthin, and just north of Aberystwyth. Temperatures will largely remain in the 20s, with the highest temperature predicted to be in the Monmouth area with 24°C.
7pm
By evening, it will become cooler in some parts of Wales - 19°C in Aberystwyth, 18°C in Cardigan and 17°C in St. David's. Most of the Irish Sea will be affected by rainfall, which will see parts of south of Pembrokeshire also seeing rain. Parts that will be affected by the rainfall according to the Met Office, include Pembroke, Tenby and St. David's.
UK long range weather forecast
Monday, June 12 to Wednesday, June 21
According to the Met Office, with a change of type taking place over the preceding weekend, next week is likely to start on a fairly cloudy but widely warm note. In places it is set to be hot and humid, with a risk of scattered showers and thunderstorms.
As the week progresses however, this risk is likely to diminish, with the focus of these and the warmer weather also probably moving westwards with cooler, drier conditions resuming across eastern areas. By the end of the period, similar conditions to the present are most probable says the Met Office, with west and north-western areas seeing the best of the sunshine and warmth, whilst eastern areas are likely to be a bit cooler. Showers and thunderstorms may return to southern areas. Temperatures are expected to be well above average for most, with overnight minima particularly warm.
Thursday, June 22 to Thursday, July 6
Then into late June and early July, the UK is generally most likely to see a resumption of recent dry weather with widespread mostly sunny and clear conditions, although with an increased threat of thunderstorms in the south early in this period, says the Met Office. The chances of cloud affecting eastern areas, suppressing temperatures again, will also increase. Later on however, north-western areas could begin to see more in the way of rain, as Atlantic frontal systems become more influential. Temperatures are most likely to remain above normal for the time of year.
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