Flooding is causing issues on the railways with trains unable to stop at a north London station and Gatwick Airport services suffering weather-related disruption.
Southern trains are unable to stop at Wembley Central due as platforms 5 and 6 have been shut due to flooding.
Meanwhile heavy rain has flooded the railway between Ash and Guildford, in Surrey, causing disruption to Great Western Railway and South Western Railway services. National Rail says the disruption is expected to last until 3pm.
Great Western Railway services between Reading and Gatwick Airport are among those being affected.
It comes as a burst water main shut a chunk of Euston Road causing delays for motorists.
The busy road was shut eastbound between Great Portland Street Tube station and the Euston underpass.
Traffic monitoring site Inrix.com was reporting congestion back to Baker Street. The following buses were being diverted via Oxford Circus or Camden Town: 18, 21, 27, 30 and 205.
