Up to 40mm of rain could fall in higher ground with wind gusts of up to 70mph are expected on south coast
New photos taken by the Environment Agency show the scale of the flooding in the Arun valley south of Pulborough.
A search has been launched for a man who is believed to have gone missing in Dorset without wearing any clothes.
Officers from Sussex Police have renewed their appeals for help to trace a missing 22-year-old man from Shoreham in Sussex.
Craig Robert-Miles was last seen at his home in Garden Close at 12.30pm on Friday 7th March. He has not been seen by family or friends since then.
Detectives have said they are concerned for his welfare because he has mental health issues, but did not take any medication with him when he left the property.
PC Sally Howarth said: "This behaviour is completely out of character for Craig. He left his home address without informing anyone of his intentions and without making provision to stay away from home.
"We are becoming increasingly concerned for his welfare and we are keen to speak to anybody who may be able to help us find him so that he can be safely reunited with his family as soon as possible."
Anyone with information about the whereabouts of Craig Roberts-Miles is asked to contact 101 quoting serial 1079 of 10/3 or email firstname.lastname@example.org . If he appears hurt or in danger Sussex Police have said to call 999.
Pet owners are being told to be on the lookout for signs their dog could have picked up the potentially deadly lungworm parasite.
Research from the Royal Veterinary College has revealed that incidences of lungworm are increasing.
The warm, wet winter is thought to be a contributing factor. Andrea Thomas reports. She spoke to Cheryl Miller from the Retired Greyhound Trust in Kent and Jane Radford, whose dog Tess contracted the illness.
Sonning bridge to reopen with traffic lights in the next few days! Well done Oxon CC. Now need the full fix ASAP even if temp shut again.
Delays possible on P and O Ferries between Dover and Calais due to fog. Delays and cancellations are possible this morning.
Disruption to flights to/from Southampton Airport due to fog. Passengers are advised to check the status of their flight with their airline. There are delays and cancellations.
Disruption on Hovertravel between Ryde and Southsea due to fog. A shuttle service is currently in operation, but this will not run to a normal timetable. Source:Ferry Company.
The Sonning Bridge crossing over the River Thames in Reading is due to reopen before the weekend.
Widespread fog this morning. Please use lights and drive to the conditions. Please take extra care!
A man has died after a collision with a police car in Hastings at around 7.20pm last night. He was on foot near the A259 in the White Rock area of the town, at its junction with the A21 Havelock Road, when the incident happened.
The pedestrian is believed to be a local man in his forties. He died at the scene. Paramedics and officers had tried to save him. The incident has been referred to the Independent Police Complaints Commission.