A day of scorching temperatures is set to be followed by thundery downpours in the UK, forecasters have warned.
Britons have been told to expect heavy rain, thunderstorms and strong winds by Friday night.
Temperatures are expected to top 33C today, before a new weather pattern bringing wet and humid conditions arrives.
The Met Office warns of "frequent lightning, large hail and strong gusts".
Viewers have posted dramatic pictures of the storms which ravaged the UK last night. The photos were posted on the ITV News Facebook page.
It seems thousands of people were woken up by loud claps of thunder, seemingly constant flashes of lightning and torrential rain.
Britain is set to bask in the sunshine in the next few days with health officials issuing guidance on how to stay safe in the sunshine.