The Met Office has issued a 'be aware' warning of fog.
It says there may be dense patches of freezing fog making driving conditions hazardous. The warning applies to the following areas:
The Met Office has issued a yellow 'be aware' warning of fog for parts of North and South Wales from 8 0'clock this evening.
The areas affected are:
- Vale of Glamorgan
Aside from a few showers across Pembrokeshire, it should be a dry and largely sunny day but tonight will see the lowest temperatures of the season - in some places that could be between -1 and -6 deg C.
The Met Office has issued a yellow 'Be Aware' warning of fog for the following areas:
Blaenau Gwent, Bridgend, Caerphilly, Cardiff, Merthyr Tydfil, Monmouthshire, Newport, Rhondda Cynon Taff, Torfaen, Vale of Glamorgan
The Met Office has issued a yellow 'be aware' warning of fog for:
Powys, Monmouthshire, Blaenau Gwent, Newport, Torfaen, Bridgend, Caerphilly, Cardiff, Carmarthenshire, Merthyr Tydfil, Neath Port Talbot, Rhonnda Cynon Taff, Vale of Glamorgan, Ceredigion & Swansea.
The Met Office has issued a warning about fog forming overnight in the east.
Patchy fog will form through Monday evening, perhaps becoming more widespread overnight and into Tuesday morning.
The public should be aware of the potential for difficult driving conditions and some travel disruption.
In some places visibility could fall below 200m.
The fog should quickly clear as cloud, wind and rain spreads eastwards. Some heavy spells of rain are expected in the afternoon. Maximum temperature 8 °C.
Fog is reducing visibility on the A449 between the M4 J24 / A48 (Coldra, Newport) and the A40 (Raglan Interchange, Raglan).
Fog is reducing visibility on the A465 Heads Of The Valleys Road between the A40 Monmouth Road / A4042 (Hardwick Roundabout) and the B4560 Llangynidr Road (Garnlydan / Llangynidr).