Both Chippenham and Westbury railway stations will remain closed tomorrow (9 December) following damage.
Storm Darragh battered the south of Britain over the weekend, leaving hundreds of trees down in Wiltshire and damaging many properties.
Chippenham and Westbury station suffered damage to their roofs, with repair work likely to take place on Monday.
In an update, GWR said: “Trains are unable to run on several parts of the network and currently services remain suspended west of Cardiff Central, between Oxford and Hereford, on the Barnstaple and Okehampton lines, and on all branch lines in Cornwall.
“Network Rail teams are working as we speak to get lines safely reopened as quickly as possible, including removing fallen trees and other debris, however some disruption is expected tomorrow morning (Mon 9 Dec), particularly between Carmarthen and Swansea, and on our Cornish branch lines.
“Storm damage has also closed Westbury and Chippenham stations and this will remain the case tomorrow (Mon 9 Dec).
”Trains are operating between Cardiff Central and Bristol Temple Meads, and between Salisbury and Portsmouth Harbour.
”Limited connecting rail replacement bus services are in operation, including between Bath Spa/Swindon and Chippenham.
”The Night Riviera Sleeper service has been cancelled this evening, Sun 8 Dec.
“We apologise for the ongoing disruption, and as ever if there’s anything we can do to help please don’t hesitate to get in touch.”