00:00 Fri 01 May 2015 - 06:00 Sat 02 May 2015

Clear until sunrise but snow, heavy at times, arriving from the morning, persisting during the afternoon and into the night. Overnight temperatures are expected to fall to -4C with a maximum temperature during the afternoon of -1C. Cold again into Saturday. Fresh northeasterly winds until early morning.

06:00 Sat 02 May 2015 - 06:00 Sun 03 May 2015

Snow anticipated during the morning but clearing, leaving it cloudy during the afternoon. Snow anticipated from early evening and into Sunday. Maximum temperatures of around freezing expected during the afternoon with temperatures falling to -3C overnight. Easterly winds may become gale-force from the early hours.

06:00 Sun 03 May 2015 - 06:00 Mon 04 May 2015

Sleet and snow are expected throughout the day and into the night but with a brief pause during the afternoon. Highest temperatures expected during the evening of around freezing. Gale-force easterly winds until late morning.