The Met Office has issued a weather warning for rain in parts of Scotland, days after a spell of record-breaking warm weather.
The yellow warning for rain is in place until 9pm on Sunday, with travel disruption and flooding expected.
Forecasters warned that heavy showers or longer spells of rain could bring thunderstorms and cause some disruption.
The yellow weather warning covers Clackmannanshire, Falkirk, Perth and Kinross, Stirling, Highlands, Argyll and Bute, East Ayrshire, East Dunbartonshire, East Renfrewshire, Glasgow, Inverclyde, North Ayrshire, North Lanarkshire, Renfrewshire, South Ayrshire, South Lanarkshire, and West Dunbartonshire.
ScotRail have announced that a speed restriction will be in place on some services until 7pm due to forecasted heavy rain and lightning.
Customers have been warned that services running between Arisaig and Lochaillort, Bridge of Orchy and Crianlarich, Falls of Cruachan and Taynuilt, and Glendouglas and Ardlui are affected.
The rail operator added that services between Glasgow Queen St and Oban and between Queen St and Fort William/Mallaig will also be subject to delay.