A warning of thunderstorms and heavy rain is in place across most of Scotland after days of hot weather.
The Met Office yellow warning covers the country apart from Shetland and is in place until midnight on Friday.
Forecasters said there is a small chance homes and businesses could flood, while storms and lightning strikes could cause travel disruption.
Many people took to social media to describe hearing thunder and seeing lightning in the Edinburgh area and further north in the early hours of Friday morning.
One described an “absolutely tremendous storm over Edinburgh” while another said it was “spectacular”.
Firefighters were called to two dwelling fires in the early hours but it is not known if they were related to the storm.
They were called to a fire in Dalkeith, Midlothian, at 3.24am and to one in Aberlady, East Lothian, at 3.45am and extinguished both blazes with no reports of any injuries.
The stormy weather comes after days of hot and dry weather.
Temperatures reached a high of 31.2C at Threave in Dumfries and Galloway on Thursday, according to Met Office data, while Drumalbin in South Lanarkshire and Auchencruive in South Ayrshire also hit the 30C mark.
The record June temperature for Scotland is 32.3C, which was recorded at Ochtertyre in Perthshire on June 18 1893.
However, the weather conditions have now changed and people have been warned to expect wet weather.
The Met Office warning says: “Spells of heavy rain and thunderstorms initially over north-west Scotland are likely to become more widespread during Friday morning.
“Further thunderstorms and spells of heavy rain are possible in the afternoon before becoming confined to more northern areas of Scotland later in the day.
“Rainfall amounts will be highly variable but narrow corridors of 20-30mm falling in one hour and potentially 30-50mm in three hours is possible. Frequent lightning, large hail (2-4cm diameter) and locally gusty winds with stronger storms.”
The Scottish Environment Protection Agency (Sepa) has issued 18 flood alerts and one flood warning.
Read MoreBrits warned to ‘drink responsibly’ and avoid exercise during heatwave
Key infrastructure exposed in heat as ministers urged to tackle ‘silent killer’
Thunderstorm warning issued for Scotland after days of baking heat
Probe after 40 NHS staff accessed medical records of boy hurt in crocodile pit
‘Move the summer holidays’: Readers on how schools should adapt to extreme heat
The inside story of the British TikToker facing death by firing squad in Dubai
