An area of heavy rain is expected to become slow-moving across much of Scotland, especially affecting western and central hills.

What to expect
Flooding of a few homes and businesses is likely
Bus and train services probably affected with journey times taking longer
Spray and flooding on roads probably making journey times longer

A period of heavy and persistent rain is expected to affect southwest Scotland through Friday afternoon before spreading northeast into central Scotland overnight into Saturday.
Accumulations of 20-40 mm are expected quite widely with 50-80 mm possible over high ground and perhaps isolated accumulations of around 100 mm over western hills.
Rain will clear away eastwards during Saturday afternoon.