Cold, dry in many areas this evening, but there will be scattered rain or hail showers in parts of the southwest, west and north. Frost will set during the evening.
Cold overnight with a widespread frost and ice patches forming on untreated surfaces. Showers will continue in northern and western coastal fringes and some showers are likely to affect some inland areas of Munster and south Leinster overnight, some of these could be wintry in some midland areas towards dawn. Fog developing also and becoming dense in places. Lowest temperatures between minus 2 and plus 1 degree, a little higher on parts of the south and west coast.
Tomorrow, Thursday, will be cold with frost, ice and fog clearing gradually, but fog possibly lingering in some north midland areas. Most places will be dry with some hazy sunshine developing but a few wintry showers are likely in parts of the west and southwest. Afternoon temperatures of 4 to 6 degrees Celsius, but lower where fog lingers.
3 Day Outlook
General: cold for the rest of the week and over the weekend with frost and icy patches most nights.
Thursday night: Another cold, clear and calm night for Connacht, Ulster and much of Leinster with temperatures quickly dropping below freezing early in the night with lowest temperatures between minus 2 and minus 4 degrees, resulting in ice on untreated surfaces. However it will be cloudy and not as cold over southwestern and southern areas, with patches of rain or drizzle mainly along the coast, and lowest temperatures of 0 to 4 degrees with a risk of icy patches. Winds will be light variable or easterly in most areas, but moderate to fresh in coastal counties of Munster.
Friday: a cold and frosty start with ice on untreated footpaths and roads. The frost will only slowly clear during the morning and it will be another cold day in Ulster and north Leinster where it will be dry apart from the odd coastal shower. But over the southern half of the country a band of rain, preceded by some sleet or snow, will slowly move in from the southwest. The rain from this system is expected to become light and scattered as it crosses Connacht, Munster and south Leinster by late afternoon. Winds will become southerly while remaining light or moderate. Highest temperatures of 5 to 8 degrees.
Friday night: mostly cloudy with just a few patches of light rain or drizzle and possibly not as cold as previous nights with lowest temperatures between zero and plus 3 degrees, but still a risk of icy patches.
The weekend: continuing cold and mostly cloudy with outbreaks of rain, sleet and snow over the southern half of the country on Saturday, but mostly dry further north. Winds turning northerly on Saturday with afternoon temperatures only 2 to 5 degrees. Sunday looks to be a drier and brighter day, with many areas mostly dry but scattered showers in western and southwestern areas with further wintry falls possible. Northerly winds will be mainly light but will increase fresh to strong along the Atlantic seaboard by Sunday evening.