Overview

• Yellow rain warning runs from 3am to 10am Monday for Dumfries and Galloway, the Scottish Borders, East Ayrshire and South Lanarkshire.
• Forecasters expect 15–30mm of rain widely with isolated 40–50mm where heavy showers repeat.
• Surface‑water flooding is possible during the morning commute with a small chance of flooding to a few homes and businesses.
• SEPA has flood warnings in parts of Scotland while the Environment Agency notes a low overall flood risk in England.
• Residents are urged to check local flood risk and consider a flood plan and emergency kit, as a changeable early‑September pattern brings further showers and occasional thunder, with some areas beyond the warning (such as Greater Manchester) still seeing frequent rain.