Sepa has issued a flood alert for Dundee and Angus amid a weather warning for heavy rain.
The Met Office says that downpours are likely to hit parts of Angus and Perthshire this afternoon.
The yellow weather warning is in place from noon to 11.59pm today.
It says that people should expect longer journey times on buses and trains, likely interruption to power supplies and other services, as well as flooding of a few homes and businesses.
Now, Sepa has issued a flood alert for Dundee and Angius.
It says: “Heavy and persistent rain across Dundee and Angus is forecast for Friday afternoon and evening. This is likely to result in minor flooding impacts.
“Surface water flooding is most likely to affect transportation routes and urban areas while ponding and standing water may occur in low-lying areas.
“Flooding from small watercourses and rapidly responding rivers may also occur with flooding also likely from larger rivers throughout the night and into Saturday morning.
“The risk of flooding is expected to continue until later on Saturday.”
The Met Office warning states: “Rain will affect eastern Scotland this afternoon and evening.
“Some of this rain will be heavy and 10 to 20 mm is likely quite widely whilst in a few places as much as 30 to 50 mm may fall in six to nine hours.
“This rain is likely to start to ease later this evening before finally clearing overnight or on Saturday morning.”