Storm Dennis has already caused travel chaos across the region with flights cancelled, bridges closed and fallen trees blocking roads.
More than forty EasyJet flights in and out of Bristol airport have been cancelled due to high winds and heavy rain.
The Met Office has issued Yellow and Amber weather warnings for wind and rain across the region.
Winds aren't expected to be quite as strong as Storm Ciara, but they'll still gust to 70 mph around coasts and across hilltops.
Parts of Devon have a targeted Amber warning for rain, across Dartmoor and down to Torbay with rainfall here expected to be between 120 and 140 mm by the end of Sunday.
That's nearly 6 inches and higher than the average monthly rainfall for February (98.4 mm).
Network Rail has advised passengers to expect disruption on many routes due to flooding and to allow more time for their journeys.
The Wincanton races were cancelled in Somerset today due to waterlogged grounds and high winds.
The planned opening of Yeo Valley's Organic Garden for Shepton Snowdrop Festival has also been cancelled due to Storm Dennis.
The combination of high tides and strong winds are battering parts of the coast in Cornwall.
Three Bays Wildlife Group tweeted a video of the sea at Portholland, Cornwall.
Waves can also be seen crashing against buildings in St Agnes, Cornwall.