South West Trains (SWT) have already stated there will be no services on routes between Ascot and Ash Vale and Virginia Water to Weybridge.
SWT will also run a revised timetable for it's route from London Waterloo to Windsor and Ascot and Reading.
The revised timetable, updates on proposed weekend services and further information is available at /www.southwesttrains.co.uk/alerts.aspx
First Great Western has yet to announce any alterations to its services for tomorrow and the weekend.
Updates to follow.