Advance Warning for Monday 21st January 2013 - No service on South West Trains between Ascot and Ash Vale, between Virginia Water and Weybridge, between Salisbury and Bristol Temple Meads and between Guildford and Leatherhead due to poor weather conditions.
All other routes are open, but there is no train service at Addlestone, Bagshot, Beaulieu Road, Camberley, Chertsey, Frimley, Longcross and Upper Halliford.
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James Wright has the forecast.
Cloudy with occasionally heavy showers at first.