There is major disruption to Cross Country services between Oxford and Didcot Parkway, Bridgwater and Taunton, and Taunton and Plymouth/Penzance.
First Great Western said it would only be able to run four trains an hour between Reading and London Paddington this morning because of flooding near Maidenhead. South West Trains, Southeastern and Southern are also operating heavily-curtailed services.
More top news
Thursday afternoon's weather for the West of the region
Thursday afternoon's weather for the East of the region
A crack inside the glass pod of the i360 in Brighton has been fixed. The owners say there was no risk to safety and blame vandalism.