Parts of England and Wales could be hit by up to three inches of rain in just a few hours from tonight as the end of August looks set to be a washout.
The Met Office issued a yellow weather warning for southern England and Wales with up to 70mm (2.8in) of rain set to fall between 10pm today and 12pm tomorrow.
Wet and windy conditions will sweep in for the final days of meteorological summer, with showers and longer spells of rain falling over much of the UK from tonight.
The 14-hour warning covers London and the whole of England's south coast, while a separate yellow alert is also in place for South Wales from 8am until 4pm today.
Forecasters said heavy showers could merge into longer spells of heavy rain later today, which would likely reach South West England and South Wales by tonight.
