27 January 2015 11:46
Mainly dry at first, with scattered patches of drizzle, but a few bright spells also. Rain will become widespread over western areas later this afternoon and this evening. Mild, top temperatures 8 to 11 C., best in the southwest.Tonight
Windy overnight. Rain will become widespread and persistent for a time, but colder, more showery weather, will spread in from the Atlantic later. Some of these showers will turn wintry in the north and west before dawn, with a risk of icy patches also. The fresh southwest winds, will veer west to northwest in the clearance, increase strong to gale force and will be blustery in exposure. Lowest temperatures 1 to 5 C.
Tomorrow, Wednesday, will be a bitterly cold, windy day, with wintry showers becoming widespread across the country. Sleet and snow showers will be widespread, leading to some accumulations of snow, especially in western and northern areas and on high ground generally. Top temperatures just 2 to 5 C., at best and in the strong and blustery westerly winds, it will feel colder.
The wintry showers will continue on Wednesday night, becoming widespread overnight in the moderate to fresh westerly wind. Temperatures overnight will be well below freezing with frost and ice making hazardous driving conditions. The showers will be most frequently of snow overnight, bringing accumulations of several centimetres in many areas, particularly in the west and in the north.
There'll be further wintry showers on Thursday, again frequently of snow. The showers will be most frequent over the hills and mountains of the west and north but all areas are at risk as they will be carried on the moderate to fresh westerly wind, which will veer northwest later. Temperatures will be only around 3 or 4 degrees in the afternoon on Thursday with a wind chill factor added in. Overnight on Thursday night temperatures will be below freezing again but the showers will start to retreat to the coasts of the west and north.
On Friday the showers will become more likely to be of rain and more likely to be confined to coastal counties of the west and north, although there will still be a risk of wintry precipitation over the hills and mountains, and it will still be rather cold, especially over night. Day time there will be some sunny periods in the east and south.
On Saturday and over the weekend, it will continue very cold as the airflow turns northerly. Wintry showers will continue, mainly in exposed northern and western areas with good spells of sunshine and severe frosts and icy roads by night.