Parts of the Tywi Valley, near Capel Dewi in Carmarthenshire, were flooded
Roads have been flooded and train lines blocked because of heavy rain across Wales.
Some areas of south Wales have seen a month's worth of rain in 24 hours, according to the Met Office.
The forecaster has put an amber warning in place until 22:00 GMT on Saturday for 13 of Wales' 22 counties.
A landslide has closed the B4459 at Capel Dewi in Ceredigion and flooding has shut several roads, including the A483 in Builth Wells, Powys.
The River Towy burst its banks in Carmarthen on SaturdayThe forecaster has also issued yellow warnings for rain in western areas of Scotland as well as Cumbria and south-west England.