All Regions Europe Flooding threat increases amid Storm Herminia Met Office weather warnings Transport across parts of the country could be facing disruption today and tomorro My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous Met Office issues 9-hour London weather warning as 60mph winds expected overnightNext Flood alert for London amid Storm Herminia Met Office weather warnings Related Stories Latest London weather forecast predicts 4-day rain downpour after heatwave All Regions Europe Latest London weather forecast predicts 4-day rain downpour after heatwave July 12, 2026 London warning of ‘extreme’ wildfire risk this weekend as 31C heatwave continues All Regions Europe London warning of ‘extreme’ wildfire risk this weekend as 31C heatwave continues July 10, 2026 Exact dates BBC Weather experts are forecasting 3 days of London thunderstorms after heatwave All Regions Europe Exact dates BBC Weather experts are forecasting 3 days of London thunderstorms after heatwave July 10, 2026