Clear up up efforts are under way after heavy rain left homes flooded, roads blocked and caused travel disruption.
The worst affected areas were Bridgend, Vale of Glamorgan, parts of Cardiff and Rhondda Cynon Taf, where people evacuated from their homes.
Roads remain blocked in parts of Monmouthshire and Powys and no trains are running between Shrewsbury and Welshpool.
Natural Resource for Wales has 10 flood warnings in place.
They include five flood warnings on the River Severn in Powys and two flood warnings for the River Ely in Cardiff.
In Monmouthshire the road is closed in both directions along the A4042, from Llanellen towards Llanfoist.
Llanllowell Lane is also closed in both directions between Usk Prison and Llanllowell.
The A483 is closed in both directions at Garthmyl between Welshpool and Newtown, Powys.
Transport for Wales has said it will run a replacement road transport shuttle between Shrewsbury and Welshpool in both directions, but may be delayed due to road conditions.
Hensol Golf Academy flooded after the River Ely burst its banks.
The family-run business was badly hit by an electrical storm in November, and lost internet and phone lines for two months.
Speaking to BBC Radio Wales Breakfast, manager and pro Aled Griffiths said: “We’ve been here nine years and the fields flooded once or twice but it’s never been that high.
“It was nearly coming into the shop and if we had more rain yesterday lunchtime I think we’d have been underwater.
“We’re just grateful for everyone’s comments and help really because it’s been a tough three months and with what’s round the corner with the recession it’s not going to get any easier.”
At the scene: Pontypridd, Rhondda Cynon Taf
By Dafydd Morgan, BBC News
The situation has definitely improved in Pontypridd this morning.
The river Taff’s level have drop considerably compared to yesterday but it is still moving pretty fast. The damage this time round is not half as bad as storm Dennis in 2020.
But the community has still felt the impact.
Clwb y Bont – a community hub in the centre of town – will have to cancel one of their events on Saturday evening to welcome in the old New Year, because water managed to make its way in.
People here appreciate that money has been spent to improve flooding infrastructure, but they say more needs to be done.
