We are well into the month of June which can only mean…severe thunderstorms are on the way.
The Met Office is warning of “very localised significant disruption” across the south of England and Wales and has issued a yellow warning for rain from Friday afternoon.
The warning which is in effect from 1pm on Friday until 7am on Saturday morning may bring 20 to 30mm of rain in just an hour.
Forecasters said: “Isolated severe thunderstorms seem likely to develop on Friday, these succeeded by a band of more widespread heavy rain and occasional thunderstorms, moving gradually north later in the day.
“The public should be aware that there is a chance of some very localised significant disruption, mainly from surface water flooding.
"Lightning and hail could also cause some impacts.”
The latest bout of bad weather is blamed on an area of warm, very humid air moving northwards across France and into the south of Britain later today and into tomorrow.
The Met Office added that the warning is liable to change.