London is set to be hit by heavy rainfall as the Met Office has issued a weather warning from tomorrow until Thursday.

When is the weather warning?

A yellow weather warning for rain has been issued across all of London, as well as large parts of southern England including Kent and Surrey, and will be in place from tomorrow (September 4) from 9pm up until Thursday (September 5) at 9am.

The weather outlook for tomorrow

Heavy showers have been forecast from Wednesday evening lasting until Thursday morning, with some areas likely to see between 20 and 40 mm of rainfall within two hours.

In London, the day is likely to begin with the odd shower throughout the morning on Wednesday, with some drier spells expected in the afternoon, before heavy showers set in towards the evening.

Leading into Thursday the weather is set to begin with mist, which may affect driving conditions, along with downpours of heavy rain, with further rain expected into Friday.

What should I expect?

Met Office has warned of risks of flooding in some areas, leading to travel disruption on roads as well as bus and train services.

Some areas could experience power cuts, with temporary loss of power to homes and businesses, and some areas may potentially experience flooding leading to building damage.

People are being advised to check before travelling whilst the weather warning is in place and to leave earlier if travelling by road in cases of road closures or delays.

Tomorrow’s forecast in full:

  • 6am - Cloudy
  • 7am - Cloudy
  • 8am - Cloudy
  • 9am - Cloudy
  • 10am - Cloudy
  • 11am - Cloudy
  • 12pm - Cloudy
  • 1pm - Cloudy
  • 2pm - Cloudy
  • 3pm - Light shower
  • 4pm - Cloudy
  • 5pm - Cloudy
  • 6pm - Cloudy
  • 7pm - Cloudy
  • 8pm - Cloudy
  • 9pm - Cloudy
  • 10pm - Cloudy
  • 11pm - Partly cloudy

Cloudy with the odd shower through Wednesday morning. Some drier, brighter spells are likely during the afternoon as well as further heavy showers in places.

Misty near the coast.

Maximum temperature 22 °C.