The Environment Agency has issued a flood warning for the River Tone (upper) from Waterrow to Bishops Hull. Particular locations at risk are Wellington and Bradford-on-Tone.
An average of about 10mm of rain has fallen today [Monday], with up to another 5mm forecast until this afternoon.
River levels on the River Tone at Greenham are rising in response to the rainfall but expected to peak this afternoon. However with daily totals of 5 to 10 mm rain forecast for the next few days, river levels will remain high.
There are currently a total of 28 flood warnings across the South West.
A family from Melksham on holiday in Gloucestershire over Christmas had to be rescued from their cottage after being marooned by the floods.
Tyntesfield Estate in North Somerset has been forced to close after the visitor centre was flooded.
RNLI volunteers are on stand by as the region braces itself for more rain. Winds of up to 70mph are also expected.