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

Clear until sunrise. Snow arriving, heavy at times, from the morning, continuing during the afternoon and into the night but with drier sunny intervals at times. Temperatures dipping down to -3C during the morning with a maximum temperature during the afternoon of 1C. Cold again into Saturday. Easterly winds becoming fresh to strong from the early hours.

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

Snow anticipated during the morning but clearing, leaving only some cloud from late morning and into the afternoon. Snow anticipated from early evening and into Sunday. Temperatures around freezing. 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 through the day. A chance of showers, heavy at times, from early evening and into the night. Maximum temperatures of around 2C expected during the evening. Gale-force easterly winds until late morning.