Wintry showers of hail, sleet and snow are expected to stick in parts, and the forecaster's warning of icy stretches on roads and footpaths. The warning is in effect from 11am today until 11am tomorrow.
There's also a status yellow wind warning in place for Donegal too.
Tomorrow night will be cold with showers of rain or sleet, and some snow possible over high ground. In the afternoon a more organised band of rain and sleet will move into southern parts.
Temperatures will also drop to between -3 and 0 degrees.
Further showers will develop in the South and West during the day becoming more widespread in the evening with some hail, sleet and snow especially for high ground, and the ongoing risk of thunder.
Wintry showers will give localised accumulations of hail and snow, compacting to ice in some areas and leading to hazardous driving conditions.
Saturday will start cold and frosty with scattered wintry showers and some lying snow. Maximum temperatures of 4 to 7 degrees, coldest again in the north.
Temperatures will see highs of just 6° to 8°, with dipping temperatures a theme this weekend, while westerly winds will be strong and gusty, reaching gale force on coasts. Minimum temperatures of -3 to +1 degrees Celsius in a mainly light southwest or variable breeze will produce a widespread sharp ground frost with icy patches.
A frosty start with icy patches will lead to another day of widespread showers which will be wintry at times.
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