The Met Office say it will be cloudy on Friday, but mainly dry.
According to the weather forecast for February 12, it's set to be cold with strengthening winds.
A yellow weather warning for snow and ice is in place from midnight tonight until midnight on Saturday.
It's predicted to be "a rather cloudy day [on Friday] with perhaps a few snow flurries in the west".
The best of any brighter or sunnier spells should be across eastern and northern areas.
The forecaster said: "Feeling bitterly cold in the strengthening southeasterly breeze. Maximum temperature 4 C."
Tonight, there will be some clear spells across the north and east "leading to a touch of frost, otherwise a mostly cloudy [day] with outbreaks of snow reaching western parts later in the night".
It's set to be windy with a minimum temperature of -1 C.
Saturday is predicted to be cloudy "with outbreaks of occasionally heavy snow spreading east, with a risk of freezing rain".
The snow may turn to rain at lower levels later. There will be strong southeasterly winds with coastal gales and a maximum temperature of 4 C.
The Met Office added: "Much milder through Sunday and into next week with occasional rain, especially Sunday morning, or showers, but also some brighter interludes. Winds easing on Sunday and turning more southwesterly."
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