Overview
- Heavy rain and strong gusts are forecast to arrive Wednesday night and become more widespread on Thursday, with further alerts possible as the low’s exact track remains uncertain.
- A Met Office yellow rain warning covers 12 areas of Wales from early Thursday, with 20–30mm expected widely and 30–50mm possible, raising the risk of flooding and travel disruption.
- Southern counties could see 25–40mm of rain in about 12 hours, and strong winds are likely to focus on eastern coasts on Friday as the system moves into the North Sea.
- A colder northerly flow follows into the weekend, bringing below‑average temperatures, local frosts and isolated wintry showers over high ground in northern Scotland.
- Some model guidance suggests a broader snowfall risk around early November, but forecasters say this is not an official forecast and remains highly uncertain.