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

Clear until sunrise, then cloudier from the morning and into the afternoon. Light snow arriving towards dusk, dying away but staying cloudy from the early hours. Lowest temperatures of -7C during the morning with a high of -3C during the afternoon. Cold again into Saturday. Easterly winds becoming fresh to strong from dawn.

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

Cloudy from early morning and into the night. Snow anticipated into Sunday. Maximum temperatures of around -4C expected during the afternoon with temperatures dipping down to -6C overnight. Easterly winds may become gale-force overnight.

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

Snow anticipated throughout the day and into the night but with a clear spell during the afternoon. Highest temperatures expected during the evening of around -2C. Gale-force easterly winds until early afternoon.