SNOW could fall across Wales, including Powys, on Friday morning.

The Met Office has issued a yellow weather warning of snow between 8am and 1pm on Friday, January 18.

The warning covers much of eastern Wales, including all of Powys, but also stretches across to parts of Carmarthenshire and Ceredigion and as far west as Gwynedd.

Hill snow is expected and some roads are likely to be affected with longer journey times by road and bus services.

It comes after icy roads are believed to have caused a crash in which a car overturned yesterday morning at Upper Chapel near the junction for the B4519 which heads to Llangammarch Wells.

Two fire crews from Brecon and Builth Wells attended the accident, which only involved the one car, along with the police and an ambulance.

A spokeswoman from the Mid and West Wales Fire and Rescue Service said: "We were called at 8.25am to reports that a person was trapped in the car, however they were out of the car by the time we arrived.

"The car had left the carriageway due to the road being slippery because of ice.

"We received the stop message at 9.21am."

A bystander said the driver had managed to escape with only a scratch to the back of his hand.

Forecasters said: "A band of rain, sleet and snow will move eastwards across Wales during Friday morning. There remains some uncertainty in the timing and the extent of any snow, but there is likely to be a few hours where 2-4 cm of snow could accumulate on higher level routes, this chiefly above 250 metres."

Powys council has said it expects road side temperatures to fall below zero tonight and it has been gritting all main roads across the county from 3pm and gritters will be back out on Friday morning from 4.30 to treat primary primary routes across the area.

The high peaks in the Brecon Beacons and Cambrian Mountains were covered in snow on Thursday morning after temperatures plummeted overnight.