The Met Office has issued a Yellow weather warning for fog in parts of Wales and England for Wednesday morning.
Patches of freezing fog are likely to become more widespread towards dawn on Wednesday, particularly along river valleys and across eastern and south Wales, with the visibility as low as 50 to 100 metres in a few places. Fog will slowly thin and clear later on Wednesday morning.
Areas effected in Wales
- Caerphilly
- Cardiff
- Monmouthshire
- Newport
- Torfaen
- Vale of Glamorgan
What to expect
- Slower journey times with delays to bus and train services possible
- There is a chance of delays or cancellations to flights
