Flooding in Burry Port captured on camera by resident
A yellow 'be aware' weather warning was re-introduced in parts of Wales on Sunday.
The Met Office warned of heavy rain in the morning, followed by heavy showers, from 04:00 GMT. This latest band of heavy rain is expected to last until Tuesday.
The chief forecaster said a greater risk of localised flooding than normal might be expected given the already saturated ground following weeks of heavy rain.
One lane in each of the Brynglas tunnels in Newport was blocked due to flooding while Dyfed-Powys Police reported a number of flooded roads in Powys, Pembrokeshire and Carmarthenshire.
Leah Williams captured flooding in Burry Port, near Llanelli, as a river overflowed.
03 Jan 2016