Fog is expected to form widely across southern and central England and some eastern parts of Wales on Monday evening, persisting overnight into Tuesday.
Slower journey times are likely with delays possible to bus and train services.
Some delays or cancellations to flights are also possible.With light winds and clear skies fog is expected to form quite widely on Monday evening with visibility falling below 100 m in places.
Given the time of year only a slow improvement to conditions is expected on Tuesday morning though cloud arriving from the west may help lift the fog here. Some patches of fog may persist in southern and eastern parts of England throughout the morning.The public is advised to take extra care, further information and advice can be found here: http://www.metoffice.gov.uk/public/weather/warnings/