The Met Office has warned of flooding and more thunderstorms in Dundee, Tayside and Fife.
The forecaster has issued a yellow warning for thunderstorms across the region from 3pm tomorrow until 4am on Friday.
The warning comes despite forecasters predicting temperatures of up to 30C on Thursday.
The warning says: “Spray and sudden flooding could lead to difficult driving conditions and some road closures.
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“Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services.
“There is a chance that power cuts could occur and other services to some homes and businesses could be lost.
“There is a small chance that homes and businesses could be flooded, or damaged by lightning strikes, hail or sudden gusts of wind.”