Heavy showers and thunderstorms are likely to develop during Thursday afternoon across parts of Scotland, Northern Ireland and northern England.
Whilst many areas will miss the heaviest rain, where heavy showers and thunderstorms do develop they will be slow-moving bringing the potential for 20-30 mm of rain in an hour and 40-50 mm in 2-3 hours.
Showers and thunderstorms will gradually die out during Thursday evening.
