Sunday has been bright and chilly in the UK, with easterly winds especially in England. On Monday these will cause a further decrease in temperatures everywhere, due to the continental air mass coming from the east (Figure1). Moreover, this will cause and increase in cloud cover and some showers across the UK, with some snow expected on the hills.

During the night and morning some light showers are possible on the east of England and Scotland, moving westward in the afternoon. Due to the cold temperatures, snow is expected on the hills in both Scotland, England and Wales above 500-700 m (depending on the duration and intensity of the precipitation).
The minimum temperatures will be between (3-8°C) mostly everywhere, with values close to 0°C in Wales, northern England and highlands. The maximum temperatures will decrease, with values between (4-10°C) everywhere (with highest values observed in N.W. Scotland and Cornwall).
Finally, the winds will be easterly, moderate on the English channel and east of England.