Understand
Prepare for the unthinkable warning issued over autumn flooding forecast in Wales
Overview
Natural Resources Wales (NRW) has warned people to prepare for severe weather and potential flooding risks over the autumn due to long-range forecasts indicating wetter and windier conditions than usual. While one in seven properties in Wales is classed as being at risk of flooding, only 27% of those eligible are signed up to receive direct flood warnings. Communities such as Monmouth and Cardigan have highlighted the devastating impact of recent storms, prompting calls for residents to check their flood risks, create personal plans, and avoid complacency.
Key points
- Natural Resources Wales warned of an increased risk of wetter and windier weather over the autumn months.
- Only 27% of properties eligible for flood warnings in Wales are currently signed up to receive phone or email alerts.
- More than 274,500 homes and businesses are currently classed at risk of flooding in Wales, a figure expected to rise significantly by the end of the century.
- Residents in Monmouth recounted severe flooding from Storm Claudia in November 2025, describing harrowing conditions that destroyed vehicles and property.
- NRW urges the public to check their postcode flood risk online, sign up for warnings, and prepare contingency plans.
- Met Office long-range forecasts for October, November and December indicate a greater chance of weather-related disruption.