Storm Callum was expected to finally ease off after wreaking devastation across parts of the UK and leaving two people dead.
Torrential rain brought flooding and treacherous conditions to western parts and around coastal areas on Friday and Saturday as the storm battered the UK.
A man died after a landslide near the village of Cwmduad in Carmarthenshire, west Wales, while another man was swept away by rough seas in Brighton, East Sussex.
Forecasters said a fresh band of rain from the south-west would make its way east through Sunday, bringing a ‘reversal of fortunes’ to those who had escaped the inclement weather.
Meteorologist Simon Partridge said: “The areas that have seen the bulk of the sunshine over the last couple of days will then be under the cloud, with patchy, light rain and drizzle at times.
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“Those areas further west which have seen huge amounts of rain will finally turn drier, brighter, with some decent sunny spells developing by the end of the day on Sunday.”
Storm Callum has battered the UK, causing rivers to burst their banks, flooding homes and wiping out power supplies.
Wales bore the brunt, with people urged to stay away from the town of Carmarthen after the River Towy burst its banks.
The landslide near the village of Cwmduad in Carmarthenshire happened on the A484 on Saturday and Dyfed-Powys Police said the victim was pronounced dead at the scene.
The force also said about 100 sheep had been washed away in the Carmarthenshire village of Pontargothi.
Storm Callum’s second victim was claimed at around 1.30am on Saturday after a man was swept away. He was found in water near Brighton Palace Pier and checked by paramedics who pronounced him dead, the Maritime and Coastguard Agency said.
Elsewhere, some parts of the UK in the east and south-east of Britain enjoyed very different conditions, reaching record highs in sunny, warm conditions.
Donna Nook in Lincolnshire reached 26.5C on Saturday, making it the warmest October day in seven years.