There's another very cold night up ahead across the county with temperatures likely to dip to -3 in some places.
The county awoke to heavy frost on Sunday morning and motorists are urged to take care on early morning journeys.
A dry and sunny day lies in store but it will be very cold with frost slow to clear this morning. Highest afternoon temperatures of just 1 to 4 degrees in light or moderate, easterly winds.
It will be dry and very cold tonight with long clear spells and a widespread, severe frost developing. Lowest temperatures of 0 to -3 degrees in mostly light, easterly winds.
Tomorrow, Monday will be another cold and dry day with sunny spells, but cloud will gradually increase towards evening. Highest temperatures of 3 to 6 degrees in strengthening, southeast winds.