The highest risk is expected Saturday evening and night.
Some parts of the midlands may see snowfall this weekend.
The highest risk is expected Saturday evening and night, with precipitation crossing over the country from the west.
That - combined with bitterly cold conditions - makes snowfall more likely.
Night-time temperatures will fall as low as minus three degrees in places.
But Cathal Nolan from the Midland Weather Channel says we don't need to worry about getting snowed in: