Temperatures are expected to drop to -3C tonight as the country is set for a cold snap as the week progresses.

Met Éireann is forecasting that tonight will be dry for most, but with scattered outbreaks of light rain.

It will be coldest over Ulster, with frost forming in a light to moderate northwest breeze.

It will not be as cold tomorrow with temperatures between 6C and 10C.

However, there will be a return to colder weather from Thursday night.

Friday and Saturday will be cool with sunny spells, and heavy showers turning wintry with very cold nights over the weekend with widespread sharp frosts.

Temperatures are forecast to drop to between 1C to -4C on Friday night into Saturday morning.

Showers on Saturday will turn increasingly wintry, with a mix of rain, hail, and sleet with snow over high ground.

There is a risk of isolated thunderstorms also and will be very cold on Saturday night with lows of -1C to -3C.