UK Braces for Disruption as Thunderstorms Bring Heavy Rain and Strong Winds

Strategic Insights -

As the UK basked in the warmest day of the year so far, residents are now bracing for the potential disruption caused by thunderstorms and heavy rain. The Met Office has issued yellow thunderstorm warnings for large parts of the country, with some areas expected to see up to 80mm of rain in just a few hours. The storms could bring strong wind gusts, hail, and flooding, making travel and daily activities challenging.

Key Takeaways:

  • The Met Office has issued a yellow thunderstorm warning until 6pm on Saturday, covering the South West, North East, and North of England, Wales, and much of Scotland.
  • The storms could bring 30-50mm of rain in a few hours, with some locations potentially reaching up to 80mm.
  • A further yellow warning comes into force in the eastern half of Northern Ireland from 6am to 6pm on Saturday.
  • Five flood warnings were issued by the Environment Agency in Devon overnight, alongside 46 flood alerts in the South West, South East, and Midlands.
  • Natural Resources Wales has put six flood alerts in place in South Wales.
  • Heathrow Airport has apologized to passengers for flight delays due to adverse weather conditions, and rail operators have warned customers to check for updates on services on Saturday morning.
  • The Met Office predicts that heavy showers and thunderstorms will ease slightly throughout the day, with the driest and brightest weather in the South East.
  • Environment Agency teams have ensured rivers and watercourses are clear ahead of the storms and stand ready to support local authorities in their response to surface water flooding.

Statistics:

  • 29.4C: The temperature recorded at Santon Downham in Suffolk on Friday, setting a new high for the year.
  • 36.4mm: The amount of rain recorded in North Wyke near Okehampton in Devon on Friday.
  • 50mm: The amount of rain that could fall in a few hours in some areas.
  • 80mm: The maximum amount of rain potentially expected in some locations.
  • 6pm: The end of the yellow thunderstorm warning on Saturday.
  • 6am: The start of the yellow warning in the eastern half of Northern Ireland.
  • 46: The number of flood alerts issued by the Environment Agency in the South West, South East, and Midlands.

Sources:

  • Met Office (@metoffice) on Twitter: "Heavy and at times thundery rain moved up from the south during the course of the evening" [Tweet date: 13th June 2025]
  • Met Office (@metoffice) on Twitter: "A mixed picture to start Saturday morning with heavy rain and thunderstorms pushing northwards across the country" [Tweet date: 13th June 2025]
  • East Sussex Fire and Rescue Service: "There were no reports of casualties and the fire had been extinguished" [Date: Not specified]
  • Environment Agency: "There is a risk of significant and localised surface water flooding impacts in parts of England" [Date: Not specified]
  • Met Office: "While the warnings cover the areas of the country most at risk of seeing thunderstorms, not everyone within a warning area will experience a thunderstorm" [Date: Not specified]