The warm weather is set to come to an end after a yellow weather warning has been issued for heavy thunderstorms and possible flooding across Tayside and Fife.
The Met Office warning is in place from Sunday afternoon until 6am on Monday morning.
It has said that some homes and businesses could be affected from the possibility of localised flooding, lightning and hail.
It has also said that spray and sudden flooding could lead to difficulty for motorists and some road closures.
The risk of flooding may mean that some communities become cut off and public transport is disrupted.
Power cuts may also occur.
Fast flowing or deep floodwater is possible, causing a “danger to life”.