Today: Today will be cold, despite increasing amounts of sunshine as initial areas of cloud gradually disperse. The brisk east or southeasty wind, becoming locally strong along the Lincolnshire coast, will produce a noticeable windchill everywhere. Maximum temperature 5 deg C (41 deg F).
Tonight: Some patchy cloud will arrive, mainly across Lincolnshire, but still a widespread frost will occur. Only coastal locations will escape a sharp frost, as a strong wind persists here. Minimum temperature -3 deg C (27 deg F).
Sunday: Largely sunny, with only patchy cloud. However it will still feel bitterly cold, despite the wind easing a little. Maximum temperature 3 deg C (37 deg F).
Outlook for Monday to Wednesday: Extremely cold with snow showers, these becoming frequent and sometimes heavy through Monday, with no change Tuesday and Wednesday, leading to locally significant accumulations. Becoming windy from Tuesday.