Overview
- The alert is in force from 8am to 7pm, with hour-by-hour maps tracking the heaviest downpours as they move east.
- Rainfall of 10–20 mm is expected widely, with 35–45 mm possible in a few places, chiefly on higher ground and mostly within six hours.
- The warning covers Cardiff, Swansea, Pembrokeshire and 13 other areas, with possible flooding of a few homes and businesses.
- Road spray and surface water are likely to lengthen journey times, with bus and train services also expected to face delays.
- Rain is due to reach Cardiff by late morning and persist through the Wales v Argentina kickoff, then clear north overnight with a slightly drier Monday.