There are delays to departures and arrivals at Cardiff Airport.
The 19.55 flight to Edinburgh is delayed, along with the 20.15 flights to Glasgow.
People arriving from Amsterdam into Cardiff also face delays.
Cardiff Airport says this is mainly due to the weather in other places.
It also says that staff will be clearing the runway during the night in an attempt to ensure people's flights can leave safely tomorrow morning.
For more information visit here.
More top news
Temperatures will tumble under clear skies tonight with a widespread frost developing.
Police found more than 20 cannabis plants, a small amount of cocaine and a prohibited stun-gun at the home of Richard Williams.
Finance Secretary Mark Drakeford and his Scottish and Northern Irish counterparts demand no further public spending cuts in the UK Budget.