The Met Office has issued a weather warning for the North-east.
A yellow warning – meaning be aware – for rain has been put out for Aberdeen, Aberdeenshire and Moray from 5pm on Tuesday until 6pm on Wednesday.
The forecaster said: “Whilst most places will miss the worst, please be aware of the risk of flash flooding.
“Frequent lightning, large hail and strong winds could be additional hazards.
“All of this could lead to some flooding of homes, businesses and transport networks. Disruption to power is also possible.”