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 Overnight temperatures during London heatwave as Met Office forecasts record-breaking heat All Regions Europe Overnight temperatures during London heatwave as Met Office forecasts record-breaking heat June 19, 2026 New Met Office London heatwave warning for hottest ever June day – Exact date it will end All Regions Europe New Met Office London heatwave warning for hottest ever June day – Exact date it will end June 19, 2026 Met Office London heatwave verdict for this weekend with warning over major difference to May All Regions Europe Met Office London heatwave verdict for this weekend with warning over major difference to May June 17, 2026