A yellow weather warning for thunderstorms has been issued for parts of the north and north-east.
People can expect flooding and unseasonable weather over the weekend as a low-pressure system works its way across the region.
The Met Office has said the area should prepare for the summer storm to bring heavy rainfall which could cause disruption to public transport and difficult driving conditions.
In the worst affected regions, including parts of the north and north-east, communities may see 1.5ins to 2ins of rainfall during the warning period, with 0.39ins to 0.59ins of rain expected widely.
Met Office meteorologist Bonnie Diamond said: “There will be lots of heavy rain, there’s a band of rain over the north and north-east and there’s further heavy rain to come.
“There is a potential of up to 2ins of rainfall in the area in total, over a 24-hour period.
“This could lead to some challenges in terms of localised flooding, difficult driving conditions and disruptions to public transport.
“The band of rain is meant to work its way up northward, and we’re going to see some slow moving and heavy thundershowers developing today.
“There will be some light winds, which could cause these showers to be slow moving. This can create quite a lot of rainfall in a short span of time, which could have an impact with the rainfall from Friday and cause some flooding.
“This steep area of low pressure is going to move off into the North Sea by Sunday and bring the rain away from the region.”
The thunderstorm warning will be in place until 6am tomorrow morning, but throughout the day drier weather is expected.
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The Scottish Environment Protection Agency (SEPA) has 14 flood alerts in place which include Aberdeen, Aberdeenshire, Caithness and Sutherland, Findhorn, Nairn, Moray and Speyside.
Trains were unable to run yesterday after a landslip on the West Highland line between Arrochar and Glen Douglas.
Network Rail said trains would not be able to pass on the southern part of the line until safety checks were done.
The 10.15am West Coast steam train struck a tree at Fort William and journeys along the line were cancelled for the next hour.
As a result of the inclement weather, the Thistle Street Food Market in Aberdeen was cancelled today.
Dozens of supporters preparing to climb the UK’s tallest mountain today in memory of Inverness football coach Sandy Corcoran have been left disappointed after harsh weather scuppered their plans.
Mr Corcoran, founder of Inverness City Ladies, had lived with type one diabetes for several years before going developing kidney failure.
In an attempt to keep his memory alive, a group of around 60 people had pledged to tackle the challenge to raise vital funds for Raigmore Hospital’s renal unit.
With the warnings in place, the group were forced to cancel their plans.