Published: Friday 18 July 2025
The Met Office has issued an amber warning for thunderstorms for tomorrow Saturday 19 July 2025 from 4am to 11am in London and the surrounding regions. This means a likelihood of torrential rain in London, with thunderstorms that could lead to some significant surface water flooding in the borough.
There is a yellow warning for thunderstorms in place for the rest of the weekend.
The Met Office has advice on how to stay safe in thunder and lightning and travelling in storms, rain and strong wind.
Our flooding web pages can help you identify if your home is at risk of flooding, provide emergency contact numbers and offer advice on how to plan and prepare for a storm.
In an emergency, always call 999.