A Flood Alert has been issued by the Environment Agency for the River Thame and Chalgrove Brook.
Flooding is possible for the River Thame from Marsworth to Dorchester including, Long Marston, Rowsham, North Ayelsbury, Cuddington, Thame, Shabbington, Ickford, Waterperry, Cuddesdon, Wheatley, Quarrendon, Drayton St Leonard, Overy, the Chalgrove Brook at Chalgrove and Stadhampton.
Low lying land and roads will be affected first.
The Environment Agency's advice is "be prepared"
More top news
The latest weather for the east with Philippa
The latest weather for the west with Philippa
A group of divers have commemorated one century since the end of World War One by hanging a plaque on the bow of a shipwreck off Shoreham.