The weather bureau has issued a yellow weather warning for the entire east coast of the country.
The heavy rains are expected to hit Orkney, the Highlands, Moray and Aberdeenshire east of the Scottish border between 1pm and 9pm.
It has been described by forecasters as an “organized thunderstorm line”.
⚠️Yellow weather warning issued ⚠️
Thunderstorms over eastern parts of Scotland and England
Sunday 1:00 p.m. – 9:00 p.m
Current information 👉 https://t.co/QwDLMfRBfs
— Met Office (@metoffice) June 24, 2023
Up to 40mm of rain could fall in some areas in one to two hours, but rainfall amounts vary by area.
Scots are also being warned that the thunderstorms could also bring large hail and strong gusty winds which pose an additional hazard.
The bad weather conditions are expected to affect travel and there is a low chance of power outages as well.
A Met Office statement continued: “While there is some uncertainty as to whether thunderstorms will develop as cooler conditions roll in from the west, there is a possibility that an organized line of thunderstorms could develop over northern Britain during the course of Sunday afternoon developed before moving east to the north.” Sea in the evening.
“This is more likely in the eastern parts of the alert area, including north east England and east Scotland.
“Rainfall levels will vary significantly, but in some places it could be 30 to 40mm in one to two hours. Frequent lightning, large hail (up to three centimeters in diameter) and strong, gusty winds pose additional hazards.”