Europe Met Office experts warn exactly when ‘heavy downpours’ will hit London in 15-hour thunderstorm alert There could also be road closures, delays and power-cuts across the UK My London – WeatherRead More About Author See author's posts Post navigation Previous A Piece of Rhode Island in the AtlanticNext Met Office London humidity forecast shows exactly when it’ll be most uncomfortable Related Stories Met Office issues 26-hour rain warning – here’s where in London it will hit All Regions Europe Met Office issues 26-hour rain warning – here’s where in London it will hit February 17, 2026 Met Office verdict on chances of snow on Wednesday in London All Regions Europe Met Office verdict on chances of snow on Wednesday in London February 16, 2026 Exact date London temperatures will leap into double figures – but there’s a catch All Regions Europe Exact date London temperatures will leap into double figures – but there’s a catch February 16, 2026