The number of rivers at risk of flooding has more than halved as the worst of the fatal Storm Callum passes.
Rivers burst their banks, some homes were flooded and some lost power while travel was affected as Wales bore the brunt of torrential rain on Saturday.
Corey Sharpling, 21, died after a landslip at Cwmduad in Carmarthenshire on Saturday.
More rain on Sunday morning added to already saturated ground and flooded areas with flood warnings in place.
Carmarthenshire, Ceredigion and south Powys has suffered the most over the last 24 hours and river levels are expected to start receding later as drier weather moves in.
A Dyfed-Powys Police spokeswoman said: "River levels in parts of Ceredigion and Carmarthenshire are still exceptionally high and a number of roads and bridges remain closed.
Rainfall totals for the last 72 hours until 1pm Sunday Oct 14th.— Derek Brockway - weatherman (@DerekTheWeather) October 14, 2018
Some places such as Libanus in Powys have had a lot more.
The number of flood warnings and flood alerts is falling.
Now 11 FW and 14 FA @NatResWales pic.twitter.com/q5Oy6je58E
Almost five inches of rain has fallen in Sennybridge, Powys in the 72 hours until 13:00 BST on Sunday, BBC Wales weatherman Derek Brockway said.
"Officers continue to deal with a landslide on the A484 at Cwmduad, Carmarthenshire, where tragically a man has died. The road is closed and will be for some time.
"Our advice is to only travel if it is essential. If you need to make a journey, check for road closures beforehand."
She added: "More rain is expected but at much lower levels than we've seen over the past few days.
"River levels are expected to drop over the next 18 hours, when more will be known about the full effect of the storm."
Ceredigion council has warned conditions remain treacherous with some roads and bridges set to stay closed until river levels drop.
Natural Resources Wales said it was about 30 years since there was flooding "of this size and significance" after the flood defences in Carmarthen were breached by the river Towy for the first time since they were built.
The man's death in Cwmduad was the second fatality of the storm around the UK after a man was swept into the sea in Brighton, East Sussex.
The weather in Wales has been forecast to start drying out from the afternoon but the impact of the storm will still be felt in the days to come.
Transport for Wales, on its first day as Wales' new rail operator, said several trains suffered "significant damage" during the storm due to hitting trees and running through flood water.
A statement added: "This will result in services being altered and operating with reduced capacity on Monday."
Some roads have also been closed to flooding but all major routes are open.
Coastguards have been dealing with a number of boats that have broken away from moorings at Cardigan in the River Tywi and damaged vessels in Aberaeron harbour.
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