Ireland snow map amid Met Éireann warnings and reports of snow falling already

Met Éireann and regional weather forecasters have pinpointed the counties that will see snow on Monday evening with reports of some dustings already in the north west.

Met Éireann took action on Monday and issued a weather warning for snow for multiple counties. The Status Yellow snow-ice warning comes into effect for Cavan, Donegal, Monaghan, Leitrim and all Northern counties on Monday evening.

The warning says "snowfall accumulations are possible this evening and overnight" and it remains in place until 8am on Tuesday. Met Éireann lists possible impacts as "poor visibility and difficult travelling conditions."

In their full forecast for Monday, Met Éireann says: "Rain will spread across Munster, Connacht and Leinster this morning, extending into Ulster this afternoon and evening. It will be heavy at times, turning to sleet or snow in parts of Ulster and north Connacht later this evening. Afternoon highs of 3 to 6 degrees over the northern half of the country and 7 to 12 degrees elsewhere in light to moderate easterly or variable winds.

"Cloudy tonight [Monday] with continued outbreaks of rain, turning to sleet and snow in parts of Ulster and north Connacht with some accumulations possible. Becoming dry in north Ulster by dawn with frost and ice developing. Lowest temperatures of 0 to 4 degrees generally, a little milder in Munster and south Leinster. Moderate easterly winds over the northern half of the country and fresh to strong westerly winds further south."

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They add that "outbreaks of rain, sleet and snow will move southwards" on Tuesday, "turning mainly to rain and sleet before clearing to the south during the afternoon. Sunny spells will follow with scattered wintry showers in the north towards evening. Highest temperatures of 2 to 5 degrees generally and from 5 to 8 degrees in Munster. Moderate to fresh easterly winds for most, fresh to strong westerly in Munster, will veer northerly and ease moderate behind the rain."

Cathal Nolan from Ireland's Weather Channel also issued an updated map and warning given the snow threat in the north west of the country.

He posted a detailed map of where snow is expected to fall with his warning area shaded on the map below. His warning runs from 6pm Monday until 6am on Tuesday but there are reports of sleet falling already in parts of Roscommon, Sligo and Donegal.

Cathal's latest update read: "Outbreaks of rain and sleet are expected to cross the country from the west during the course of the day, with a small chance of spot flooding possible in some midland areas initially. Further north colder air will make its presence felt with some rain turning to sleet, or snow above 400 metres initially.

"Later this evening and overnight however a second pulse of sleet and snow is expected to move into the northwest, with this pulse leading to accumulations of snow of between 1-5cm even down to lower levels, with a risk of 15cm or more on higher ground above 300 metres.

"Inside the marked zone in the above map these areas are now the favoured locations for snowfall overnight, with perhaps a dusting possible in some other locations."