Thunder risk increases in the days ahead By Brian Gaze [Published 06:15 25/08/2026] Showers develop in places today, but most of the UK remains dry and warm. However, the chance of showers will increase in the coming days as an area of low pressure deepens and pushes up from the southwest. There is the potential for significant amounts of rain, and flash flooding may become an issue in places. 14 day weather forecast video Issued 25th August 2026 Very warm but showers in places Much of the UK has a fine day with warm sunny spells. However, there will be showers, mostly in south-western Britain, where they could turn heavy and thundery at times. Temperatures range from 18°C in northern Scotland to 27°C in southern and central areas. Check the weather radar for the most up to date view. Ad-free browsing and premium features Subscribe to The Weather Outlook Premium to enjoy ad-free browsing and extra features. Subscribe on a recurring monthly basis or for a fixed 12 month period. Find out more: The Weather Outlook Premium UKV, Tuesday 25th August [Tap animation to toggle cities] Tonight:Heavy and thundery showers push northeastwards. They affect Northern Ireland, Wales, and southern and central England. To their north it stays dry. The Signal Stay up to date with the latest weather forecasts and computer model trends by exploring our new feature, The Signal. It includes short videos, animations, and charts. View The Signal Tomorrow:Scattered thundery showers continue in England, Wales and Northern Ireland. Scotland probably remains dry and bright. Warm and humid. UKV, Wednesday 26th August [Tap animation to toggle cities] Thursday: Heavy and thundery outbreaks of rain are expected to spread northwards through the day, bringing a risk of flash flooding in places. To the north and south scattered showers are likely, but there will be sunny spells too. It will be humid and still warm in areas where the sun shines. Outlook: Rather unsettled weather is expected as areas of low pressure deepen and move up from the southwest. They bring the likelihood of significant amounts of rain, especially to southern and central regions which are most in need of it. GFS overview for Thursday 27th August - Saturday 28th August