These pictures and videos above Carmarthenshire and the Swansea valley were captured during the thunder storm last night.
Readers were asked to submit their footage and they did not disappoint.
Torrential rain and flash floods were seen across the region following days of dry hot weather.
The Met Office has issued a further weather warning for more storms today (Thursday).
A spokesperson said: “Areas of thunderstorms are expected to develop over England and Wales during Thursday. Some intense thunderstorms may occur, in some instances associated with torrential rain, large hail and frequent lightning, as well as strong gusty winds.
“Rainfall totals of 20-30 mm could fall in an hour, with some locations potentially receiving 40-60 mm in three hours, although these will be fairly isolated.
“There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds “There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost. There is a small chance of fast flowing or deep floodwater causing danger to life.”
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