Overview

• Yellow warnings for rain cover north‑west and south/south‑west Wales today, with 60–70mm possible in the hardest‑hit zones and the highest totals likely on southwest hills.
• The Met Office advises a risk of flooding of some homes and businesses, transport disruption and a chance of power interruptions as bands of heavy rain move through.
• Forecast guidance shows a slow‑moving Atlantic low feeding several days of rain across Wales, following a recent spell that included gusts up to around 80 mph in the UK.
• UKCEH reports Welsh reservoirs at roughly 54% capacity, about 25% below normal for the time of year, making the rainfall important for water‑supply recovery.
• Tropical Storm Gabrielle has formed over the central Atlantic and is expected to remain over open waters for several days, with no immediate threat to the UK.