A number of cars have been stranded because of flooding after the first day of the Royal Welsh Winter Fair in Builth Wells.
The event is due to continue as planned tomorrow, but the Royal Welsh Society said on Monday night it was helping visitors to get home safely.
Emergency services in Mid Wales say they've had a number of calls this evening of cars getting stuck in deep waters.
They've urged people to only make essential journeys.
Traffic Wales says the A483 at Builth Wells is closed due to flooding from Strand Street to A470 Castle Street.
There's queueing traffic on the A483 in both directions between the A470 and the A481,. There's congestion on the A483 Station Road to the A470 Castle Street (Builth Wells) and on the A481 to the B4567.
Dyfed Powys Police have named a mother and daughter found dead in Builth Wells last week as 106 year old Barbara Innes and 69 year old Griselda Folkard.
Post Mortem examinations have been conducted however police are still waiting for final.
Dyfed Powys Police say they are not looking for anyone else in connection with the deaths of a that a mother and daughter who were found dead at their home in Builth Wells on Monday.
In a statement the force said they do not believe they died from carbon monoxide poisoning.
Dyfed Powys Police say they are investigating the 'sudden deaths' of a mother and daughter at their home in Builth Wells.
In a statement they said that the bodies of the two women aged 107 and 69 were discovered shortly before 10am on Monday 8th April.
Police say that post mortems have taken place and that inquiries are continuing.
The A470 has been cleared after an accident between the A483 Station Road (Builth Wells) and the B4594 (Erwood).